List of Duplicates 
IN THE 
Library 
OF THE 
Franklin Institute. 
Philadelphia, 
1882. Abbott. Hydraulic Engine. Boston, 1835. 
Academic des Sciences. Comptes Rendus. Vols. 20 to 31; 
62, 63; No. 1. Vol. 65; Vol. 66; No. 11, Vol. 70; Nos. 
7 and 23, Vol. 71 ; Nos. 1 and 2 ; Vol. 72 and Vols. 82 and 
83. Paris, 1845-76. 
Accum. Chemistry. Philadelphia, 1808. 
Address. (To Friends of Domestic Industry.) Baltimore, 
1861. 
Address. At Lewis Brooks Museum. Richmond, 1878. 
Adjutant-General's Report. For 1864. Harrisburg. 
1865. 
Administration des Douanes. Tableau du commerce de 
la France. Paris, 1837. 
Agricultural Department. Reports of Commissioners. 
1851, 1854 to 1865, 1867 and 1879. [8 copies of 1855 ; 2 
copies of 1859 ; 2 copies of 1860 ; 2 copies of 1861 ; 3 copies 
of 1862 ; 3 copies of 1865 ] 
Alban Steam Engine. London, 1848. 
Alexander. Harmonies of Solar System. Washington, 1875.. 
Amateur's Handbook. New York, 1878. 
American Academy of Arts and Sciences. Memoirs. 
Pt; 1 ; Vol 2. Boston, 1793. 
American Almanac. 1832; 1835 to 1838 ; 1842 ; 1843; 
1846; 1849; 1850 to 1853. Boston. [2 copies of 1832; 
1835; 1838 ; 4 copies of 1849 ; 2 copies of 1851; and 2 
copies of 1852.] 
American Ephemeris and Nautical Almanac. 
1869 and 1879. Washington. 
1 American Farmer. 5th Series, Vol. 1, 1859; Vol. 2, 
1861 ; Vol. 3, 1661-62. All incomplete. 
American Gas Light Journal. Vols. 32-33. N. Y., 
1880. 
American Institute. Transactions for 1858. 
American Journal of Insanity. January, April and 
July, 1868, Vol. 24; July and October, 1872, Vol. 29. 
Utica. 
American Journal of Microscopy and Popular 
Science. Nos. 3, 5, to 12 of Vol. 1. New York, 1875-76. 
American Journal of Science and Arts. Vols. 21, 
23, 24, 25, 27, 28, 29, 30; 41, 42. 43 and 44. New Flaven, 
1832-42. Bound in 5 vols. 2d Series, Vols. 1-6. New 
Haven, 1846-48. 
American Mechanic's Magazine. Vols. 1 and 2. New 
York, lg25. 
American Museum, or Repository of Ancient, etc., 
Fugitive Pieces. Vols. 4, 6 and 8. Philadelphia, 1789. 
American Patent Reports, lor 1848, 1849-50; 1850; 
1851-52; 1852-53; 1854; 1855; 1856; 1857; 1858; 1859; 
1860; 1861 ; 1862; 1869. 
American Pharmaceutical Association. Proceedings. 
I860; 1864; 1'865; 1867 and 1869, Philadelphia. 
American Philosophical Society. (Proceedings.) No. 
15 Vol. 2 ; Vol. 3 , Nos. 53 and 54, Vol 6 ; Nos. 61, 63 and 
64 Vol' 7 ; Nos. 65 and 66, Vol. 8 ; Nos. 67, 68, 69, 70 and 
72' Vol. 9 ; Nos. 73 to 80, Vol. 10 ; Nos. 81 to 84, Vol. 11. 
Philadelphia; 1841-71. 
American Philosophical Society. (List of Members.) 
1865. 
American Philosophical Society. (Transactions.) 1st 
Ser. Pt. 1, Vol. 6. 
American Philosophical Society. (Transactions.) New 
Series. Pts. 1, 2, 3, Vol. 4; Pts. 1, 2, 3, Vol. 5 ; Pts. 1, 2, 3, 
Vol. 6 ; Pt. 1. Vol 7; Pt. 1, Vol. 13. Philadelphia, 1804- 
65. 
2 American Railway Master Mechanic's Associa- 
tion. (Proceedings.) Cincinnati, 1874 and 1878. 
American Quarterly Register. Vol. 3. Philadelphia. 
1849. 
American's Guide. Philadelphia, 1828. 
Analetic Magazine. Feb. to June,Vol. 1; Vols. 2-6 ; Feb. to 
June,Vol. 7; Vols. 8 to 13; July, August, October, December, 
Vol. 14. New Series, Vols. 1 and 2. Philadelphia, 1813- 
20. 
Anderson. Strength of Materials. New York, 1872. 
Animals. Contagious Diseases of. Washington, 1880. 
Annales de Chimie. 1st Series, Vols. 15-18, 1792, 1793, 
and Vol. 38. N.D. 
Annales de Chiniie et Physique. 3d Series, Vols. 1-5. 
1841-12; Vol. 7, 1843; Vols. 10-14,1844-45; Vols 17-20, 
1846-47 : Vols. 22, 27, 1848, 1849; January, March and 
April, Vol. 43, 1855; Vol. 49; May, June, August, Vol. 
50. September, October and December, Vol. 51, 1857. 
Annales de Chiniie et Physique. 4th Series, May and 
August, Vol. 8, 1866. New Par. 5th Ser., July to Oct. Vols. 
17 and 18, 1879. 8° 
Annales de Chimie et Pit ysique. 2d Series, Vols. 1 to 18, 
1816-1821 ; Vols. 22 to 47, 1823-31. 
Annales des Mines. \ ol. 3. Paris, 1818. 
Annates des Mines. Vol. 9. Paris, 1824. 
Annales des Mines. 2d Series, Vols. 1 to 8. Paris 1827- 
30. 
Annales des Mines. 3d Series, Vols. 3, 5, 8 and 10. Paris 
1833-36. 
Annales des Mines. 4th Series, Vol. 3. Paris, 1843. 
Annales desMines. 5th Series, Vol. 4, No. 4. Pans, 1853. 
Annales des Mines. 6th Series, Vol. 11, Pts. 1 to 3. 
Annales des Mines. 7th Series, Vol. 12, No. 6. Paris, 1867. 
3 Annales des Pont et Chausees. Memoires, etc. 1871 
(Jan. to June); 1873 (Feb.); 1876 (Feb. to April and 
Aug.); 1877 (March, Nov. and Dec.); 1878 (Jan. to Sept.) 
Tables. 5em Series, ler Periode. 1871-75. Paris. 
Annales du Genie Civil, Paris. Atlas of Jan. to June, 
1865. Texte July and Oct., 1865; Sept., Oct. and Dec., 1876. 
Vol. 10 (Supplement) imperfect. Jan. and Aug., 1879. 
Appleton's Dictionary of Mechanics. New York, 
1865. 2 vols. 
Arnott. Natural Philosophy. Philadelphia, 1831. 
Arrowsmith's Paper Hanger's Companion. Phila- 
delphia, 1852. 
Artis. Antediluvian Phytology. London, 1838. 
Auditor-General's Reports on Railroads, etc. 
1868 and 1878. Harrisburg, 1869-79. 
Azore's History of London. 1813. 
Bache. Chemistry. Philadelphia, 1819. 
Baldwin Locomotive Works. Catalogue. Philadelphia. 
Barlow. Patent Journal. Vols. 1 to 3. London, 1846-47. 
Barnard. North Sea Canal of Holland. Washington, 1872. 
Beckmann. History of Inventions. 2 vols. London, 1846. 
Imperfect. 
Becquerel. Electricity. Vol. 2. Paris, 1855. 
Benjamin's Architecture. Boston, 1849. 
Bennett. D'Aubuisson's Hydraulics. Boston, 1857. 
Bell. The Hand. Philadelphia, 1833. 
Beloe. Catch-water Reservoirs. London, 1872. 
Bergman. Physical and Chemical Essays. London, 1784. 
Berthier. TraitS des Essais de la Voie Seche. Paris, 1834. 
Berthollet. Chemical Affinity. Baltimore, 1809. 
4 Beudant. Mineralogie. Paris, 1824. 
Bibliotheque Universelie et Revue Swiss. Jan., 
1876. Geneve. 
Biot. Physics. Paris, 1817. 
Blackstone. Laws of England. Vols. 1 to 4. Dublin, 1771. 
Blackstone. Laws of England. Vols. 2 to 4. Dublin, 1771. 
Board of Health Report. Philadelphia, 1874. 
Board, of Supervising Inspectors of Steam Vessels. 
Proceedings of Meetings. Washington, 1875 and 1878. 
Board of Public Works. (Report.) Chicago, 1869. 
Booth. Encyclopedia of Chemistry. Philadelphia, 1850. 
Booth. Marble Worker's Manual. New York, 1856. 
Bourne. Steam Engine. London, 1865. 
Box. Heat. Philadelphia, 1869. 
Brewster. Ferguson's Lectures. Philadelphia, 1806. 
Brewster. Optics. Philadelphia, 1833. 
British Association for Advancement of Science. 
1st to 3d, 6th, 7th, 9th, 13th, 14th, 17th and 22d Reports. 
London, 1833 to 1853. 
British Patents. Abridgments of Specifications relating to 
1 Drains, Tiles and Pipes. London, 1857. 
2 Electricity and Magnetism. London, 1870. 
3 Hydraulics. London, 1868. 
4 Ice-making Machines, etc. London, 1877. 
5 Letter-press, etc , Printing. Pt. 2. London, 1878. 
6 Medicine and Surgery, etc. London, 1863. 
7 Musical Instruments. London, 1864. 
8 Photography. Pt. 2. London, 1867. 
9 Plating Metals. Pt. 2. London, 1867. 
10 Printing. London, 1859. 
11 Railways. London, 1868. 
12 Raising, Lowering and Weighing. Pt. 2. London, 
1867-69. 
13 Sewing and Embroidering. London, 1857. 
Alphabetical Indexes of Patentees, etc. (1877-78.) Lon- 
don. 
Specifications of British Patents. Vols. 1 to 32. 1876. 
5 Browne. Mineral Resources West of Rocky Mountains. 
Washington, 1868. 
Bruce & Co.'s Specimens of Printing Type. New 
York, 1835. 
Brunton. Text Books for Engineers. New York, 1808. 
Bull. Fuel. Philadelphia, 1827. 
Burat. Geognoise. Vol. 2. Paris, 1834. 
Bureau of Education. Report of Commissioners of 
Education for 1875 to 1878. Washington. 
Bureau of Statistics of Pennsylvania. Report. Pt. 2. 
1873-74. Harrisburg, 1875. 
Burgh. Slide Valve. Philadelphia, 1867. 
Burley. Gazetteer and Guide. Philadelphia, 1876. 
Byrne. Calculating Logarithm of any Number. New York, 
1849. 
Caledonian Canal. Report. 1810. 
Calvert. Dyeing. Manchester, 1876. 
Cannon. Misconduct of Superintendent of P. W. & B. R. R. 
Vol. 1. Philadelphia, 1854. 
Carpmael. Laws of Patents.- London, 1832. 
Catalogue of the British Section. Philadelphia. 
Catalogue of Stars, from Observations at Chili. 
1850-52. Washington, 1870. 
Cavallo. Natural Philosophy. Philadelphia, 1829. 
Census. Compendium of 6th and 9th. Washington, 1841 
and 1872. [2 copies of 1841.] 
Census. Report of Superintendent. 1852. Washington. 
Chambers Bros. Catalogue of Machines. Philadelphia, 
1874. 
Chemical News. Vol. 8, 1863; Vol. 10, 1864; Vol. 14, 
1866, and Vol. 16, 1867. 
6 Clark. Electrical Measurements. London, 1868. 
Clark. Fuel. London, 1879. 
Colburn. Gas Works of London. 1865. 
Colburn. S'earn Boiler Explosions. London, 1860. 
Incomplete. 
Colonial liecords. Vols. 1 to 3. Harrisburg, 1838-40. 
[2 copies of Vol. 3.] 
Another Series. Vols. 1 to 16. 1851 to 1853. 
General Index to above. Philadelphia, 1860. 
Congressional Globe. New Series. Washington, 1818. 
Cook. Clay Deposits of New Jersey. Trenton, 1878. 
Cooper. Dyeing. Philadelphia, 1815. 
Cosmos. 1st Series, Oct. 4 to December 27, Vol. 19, 1861. 2d 
Series, July 5 to December 20, Vol. 2, 1865; Vol. 3, 1866; 
Vol. 4, 1866 (except No. 8, August 23); Jan. 9 to April 3, 
May 1 to June 5, June 19 and 26, Vol. 5, 1867 ; July 6 to 
September 28, Vol. 6, 1867. 3d Series, Oct. 5 to December 
28, Vol. 1, 1867 ; July 3 to Oct. 16, December 4 to 25, Vol. 5, 
1869 ; Jan. 1 to March 19, Vol. 6, 1870. Paris. U. 
Cox. Arts and Manufactures of America. 1810. Philadelphia., 
1814. [2 copies.] 
Crookes. Aniline. New York, 1868. 
Crookes and Eohrig. Metallurgy. Vol. 1. London, 
1868. 
Daniell's Meteorological Essays. 2d edition. Lon- 
don, 1827. 2 vols. 
Daly. Revue Generale de 1'Architecture. Paris, 1860 and 
1869. 
Davis. Interoceanic Canals and Railroads. Washington, 
1867. 
Davy. Builders' Construction Manual. London, 1839. Pt. 1. 
Davy. Salmonia. London, 1828. 
DeGraff's Stair Builder's Guide. New York, 1845. 
De la Beche. Geological Manual. Philadelphia, 1832. 
7 De la Lande. Canaux de Navigation. Paris, 1778. 
De Eire. Archives des Sciences. Supplement. Vols. 1 to 3, 
1816; May and Julv, 1848 ; April, 1850; May to November, 
1851; January, 1853; February to April and June to 
December, 1856. New Series. 
Dempsey. Drainage and Sewage. London, 1849. 
Department of Statistics and Geology of Indiana. 
Report for 1879. Indianapolis, 1880. 
Desagulier's Experimental Philosophy. London, 
1734. 2 vols. 
Dictionaire Technologique. Paris, 1822. 22 vols. 
Texte and 2 vols. Plates. 
Dictionary of Arts and Sciences. London, 1754-55. 
Dobson. Foundations and Concrete Works. London, 1872. 
Downing's Dints to Architects. New York, 1847, 1859 
and 1872. 
Dumas. Chimie Appliquee aux Arts. Text (41 pages); Plates 
1 to 16. Vol. 1. Plates 17 to 74. Vol. 2. 
Dumas. Traits de Chimie. Paris, 1828. 5 vols. 
Dyer and Colour Maker's Companion. Glasgow, 
1819. 
Eastman. Difference of Longitude between Washington and 
Detroit. Washington, 1874. 
Eastman. Difference of Longitude between Washington and 
Ogden, Utah. Washington, 1876. 
Eastman. Tables of Instrumental Constants, etc. Washing- 
ton, 1873. 
Edinburg New Philosophical Journal. (Quarterly.) 
April to July, July to Oct, and Oct. to Dec., 1826. January, 
March (Monthly), April, June, July and Sept., 1837. 
Edinburg Philosophical Journal. July, 1823.; Oct , 
1842, to Jan., 1843 ; July to Oct., 1843 ; Oct., 1843, to Jan., 
1844; Jan. to April, 1844; April to July, 1844; July to 
Oct., 1844; Oct., 1844, to Jan., 1845 ; Jan. to April, 1845; 
April to July, 1845; July to Oct., 1845; Oct., 1845, to Jan., 
1846; Jan. to April, 1846; July to Oct, 1846; Oct., 1846, 
8 to Jan., 1847; Jan. to April, 1847; April to July, 1847; 
July to Oct., 1847; Oct., 1847, to Jan., 1848 ; Jan. to April, 
1848 ; April to July, 1848; July to Oct., 1818; Oct., 1848, 
to Jan., 1849 ; Jan. to April, 1851. 
Encyclopedia of Arts, Sciences and Miscellaneous 
Literature. 1st Am. Ed. in 18 vols. Inc. and U. 
Engineer. London. Vols. 43, 44, 45, 46 and 47. 1877 to 
1879. Incomplete. 
English Mechanic and World of Science. Vols. 14 
to 27. London, 1872-78. U. [2 copies of Vol. 16, 1 incom- 
plete ; Vols. 23 and 24 incomplete.] 
Erricson. Contributions to Centennial Celebration. New 
York, 1876. 
Ericsson's Solar Investigations. New York, 1876. 
Espy's 4th Meteorological Report. Washington, 1854. 
Astronomical and Meteorological Observations made in 1870, 
1873 and 1874. Washington. (1873-74.) 
Ewbank. Eolipiles. New York, 1845. 
Experiments in Roller Bracing. Washington, 1879. 
Ferguson. Lectures. London, 1825. 
Files and Rasps. Descriptive and Illustrated. Providence, 
1878. 
Foreign Relations of United States. 1875-77. 
Washington. 
Franklin. Polar Sea. Philadelphia, 1824. 
Frederick II. CEuvres Posthumes de. Vols. 4 to 7 and 13 to 
16, 19 and 20. Berlin, 1789. 
Freedley. Philadelphia and its Manufactures. Philadelphia, 
1858. 
Fremont. Exploring Expedition to Rocky Mountains. 
Washington, 1842. 
French Patents. 1st Series, Vols. 48 to 55 and 81 to 91. 
Index to Vols. 41 to 93. Paris, 1843 to 1861. 2d Series, 
Vols. 1 to 5, 7 to 13, 16 to 47, 56 to 80 and 85 to 88, with 
indexes in 4 vols. Paris, 1850-73. 
9 Frick. Physical Technics. Philadelphia, 1862. 
Friends of Domestic Industry. Journal of Proceedings 
of Meeting, Oct. 26, 1831. Baltimore, 1831. 
Forget. Dental Anomalies. Philadelphia, 1860. 
Fourcroy. Chemistry. Paris, 1793. 
Fownes. Chemistry. Philadelphia, 1845. 
Fownes. Chemistry. Philadelphia, 1864 and 1869. 
Fulton. Canal Navigation. London, 1796. 
Ganot. Physics. London, 1863. 
Geological Survey of Indiana. 7th, 8th to 10th Annual 
Reports Indianapolis, 1876. 
Genssane. Traite de la Fonte des Mines. Paris, 1770 and 
1776. 
Genth. Mineralogy of Pennsylvania. Harrisburg, 1875. 
Geological Survey of India. Report for 1862-63. 
Geological Survey of India. Record. Vol. 10,1877. 
Gillis s' Astronomical Observations. Washington, 
1846. 
Glossary of Terms used in Grecian, Itoman, 
Italian and Gothic Architecture. 5th edition. Oxford, 1850. 
Vol 2. Pts. 1 and 2. 
Gould. Trans-Atlantic Longitude. Washington, 1869. 
Gregory. Mechanics. London, 1815. 
Gummer's Astronomy. Philadelphia, 1822 and 1837. 
Hall. Encke's Comet. Washington, 1872. 
Hare. Chemical Instruction Philadelphia, 1810. 
10 Harkness. Difference of Longitude between Washington and 
Havana. Washington, 1870. 
Harkness. Difference of Longitude between Washington and 
St. Louis. Washington, 1872. 
Harrison. Locomotive Engines. Philadelphia, 1872. 
Haswell. Engineers' and Mechanics' Pocket-Book. New 
York, 1876. 
Haupt. Engineering Specifications. Philadelphia, 1878. 
Haupt. State of Pennsylvania vs. Wheeling Bridge Co. cl al. 
Saratoga Springs, 1851. 
Haviland's Euilders' Assistant, (containing the five 
orders of Architecture) Philadelphia, 1818-21. 
Hayden. Report of U. S. Geological Survey of Territories. 
Vol. 7. Washington, 1878. 
Hazard. Register of Pennsylvania. Vol. 2. Philadelphia, 
1828-29. 
Helmholtz Popular Lectures. London, 1873. 
Herepath. Railway Magazine. Vols. 1, 2, and 4. London, 
1836-38. 
Hibernia Engine Co. Receptions in other Cities. Phila- 
delphia, 1859. 
Holtzapfel. Turning and Mechanical Manipulation. Vol. 2. 
London, 1846. 
Hoopes and Torvnsend. Catalogue of Bolts, Nuts, etc. 
Philadelphia. 
Hou•son. Patents. 2 copies. Philadelphia, 1876. 
Hughes. Water-works for Cities and Towns. London, 1859. 
Hulsse. Maschinen Encyclopadie. Leipzig, 1844. 
Humphreys and Abbot. Hydraulics. Philadelphia, 1861. 
Hutton's Mathematics. 2 vols. (Revised.) New York, 
1816. 
11 Imison, Elements of Science and Art. 2 vols. London, 
1808. 
Index of Inventors, etc. For 1878, 1879 and 1880. 
Washington, 1878-80. 
Ingen Housz. Les Vegeteau. Vol. 2. Paris, 1789. Inc. 
Institution Civil Engineers. London. Trans. Vol. 1, 
1836. 
Institution of Civil Engineers of Ireland. Trans. 
Vol. 11, 1876. 
International Exposition. 1876. London, Eyre, and 
Spottiswoode, 1876. 
Iron and Steel Works of United States. Phila- 
delphia, 1876 to 1878 and 1880. 
Jamisson. Mechanics of Fluids. London, 1837. 
Johnston. Agricultural Chemistry. New York, 1842. 
Johnston. Chemistry. Philadelphia, 1842. 
Johnson and Smith's Specimen Book of Printing 
Type. Philadelphia, 1834. 
Journal American Chemical Society. Vol. 1; Nos. 1 
to 3 of Vol. 2 Proceedings. No. 4, Vol. 2. New York, 
1879-80. 
Journal and Proceedings of Royal Society, Neiv 
South Wales. Vol. 11. Sydney, 1877. 
Journal des Mines. Vols. 1 to 38, and Index to Vols. 
1 to 28. Pans, 1794-1815. (See also Annales des Mines.) 
Journal de Pharmacie. December, 1817, 1833-41 
(except November, 1839, which is wanted). 
12 Keating. Expedition to St. Peter's River. Philadelphia, 1824. 
Kent. Strength of Materials. New York, 1879. 
Kentish's Instruments and Slide Utile. Philadelphia, 
1852. 
Knapp. Chemical Technology. Philadelphia, 1849. 
Kohn. Iron and Steel. London, 1869. 
Land Office. Reports of Commissioner. 1877-78. Wash- 
ington. 
Lardner. Steam Engine. London, 1840. Incomplete. 
Laws of Philadelphia. Digest. 1854-61. Philadelphia. 
Laws of United States. Vols. 6 to 9. [2 copies ofVol. 8.] 
Washington, 1803-09. 
Lawson's Meteorological Register. 1831-42. Wash- 
ington, 1851. 
Lea's Photographic Mosaics. Philadelphia, 1866. 
Lieber. Assayer's Guide. Philadelphia, 1852. 
London and Edinburgh Philosophical Magazine 
and Journal of Science. Brewster, Taylor & Phillipps. 
Oct., Vol. 1 ; Jan. to June, Vol. 10; July to Dec., Vol. 11 ; 
April to June, Vol. 12; July, Vol. 13; Jan. and April, 
Vol. 14; July, Vol. 15; Supl. Jan., Vol. 17. London, 
1832-41. 
Longly. Fonetic Advocate. Vol. 2. Cincinnati, 1850. 
Lyell. Geology. Philadelphia, 1837. 
MacKenzie. 5,000 Receipts. Philadelphia, 1850. 
MacNeil. Canal Navigation. London, 1833. 
Magnetic and Meteorological Observations. Girard 
College. Vols. 2 and 3. Philadelphia, 1840-45. 
13 Magnetical and Meteorological Observations. 
Southern Hemisphere 1849-52. Washington, 1856. 
JMalezieux. Travaux Publics des Etats Unis. Paris, 1873. 
2 vols. 
Manufactures of United States in 1860. (8th census.) 
Washington, 1865. 
Mapes. American Repertory. Nos. 5 and 6, Vol. 1; No. 2, 
4, 5 and 6, Vol. 2 ; No. 6, Vol. 3. New York, 1840-41. 
Map of Cruise of U. S. Brig Dolphin. Washington, 
1854. 
Maps of State of^Ohio. 1870. 
Maryland Institute. Transactions. Baltimore, 1857-58. 
Massachusetts Charitable Association. 1st to 7th 
Reports of Exhibitions. Boston, 1837-53. 
Maury. Physical Geography of the Sea. New York, 1855. 
Mayer. Lectures on Physics. Philadelphia, 1868. 
McCulloch. Sugar and Hydrometers. Washington, 1848. 
McCulloch. Universal Gazetteer. New York, 1843-44. 
McKernan. Dyeing Silks. London, 1829. 
Mechanics' Magazine. Nos. 1 and 3, Vol. 3; Nos. 1 and 
4, Vol. 4, 1834. Nos. 1, 2 and 3, Vol. 5 ; Nos. 1 to 4, Vol. 
6, 1835. [2 copies.] 
Mechanics' Magazine. Vols. 1-16,18 to 26, and 31 to 33. 
London, 1830-37 and 1839-40. 
Mechanic and Engineers' Magazine. Vols. 1-4. 
2d Ser. Vols. 1-2. Glasgow, 1841-47. 
Mechanics' Institute of City of San Francisco. 
Report of 13th Industrial Exhibition, 1878. San Francisco, 
1878. 
14 Mechanics' Weekly Journal. London, 1824 
Memorial of Joseph Henry. Washington, 1880. 
Merrill. Iron Bridges. New York, 1870. 
Meteorological Observations made at St. Helena. 
1844-49. Vol. 2. London, 1860. 
Meteorological Observations made under direction of 
U. S. Patent Office. 1854-59. Vol. 1. Washington, 1861. 
Meteorological Section of Department Marine and Fish- 
eries, Canada. Sup., Nos. 4 to 7th, and Sup., No. 3 to 10th. 
Annual Reports. 
Meteorological lieports and Weather Maps, Use of. 
Washington, 1871. 
Metropolitan Museum of Art. 8th Report. New York, 
1878. 
Mines and Mineral Statistics of New South Wales. 
Sydney, Richard, 1875. 
Miller. Hydrostatics and Hydrodynamics. Cambridge, 1831. 
Mining Journal. Vols. 3 and 6. London, 1836 and 1838. 
Michaux. North American Sylva. 7 parts. Philadelphia. 
1817-19. 
Moigno. Les Mondes. 2d Series. Vols. 13,14 and 15,1867; 
Vol. 16 to 18, 1868; Vols. 19, 20 and 21, 1869; January 6 
to March 10, Vol. 22, 1870. 
Monticelli and Corelli. Storia de Fenomeni del Vesuvio 
Avvenuti negli Anni 1821, 1822 and 1823. Napoli, 1823. 
Mordecai's Experiments on Gunpowder. Washing- 
ton, 1845. 
Morris. Ohio River Improvements. Pottsville, 1857. 
Muirhead. Inventions of James Watt. 3 vols. London, 
1854. 
Musee Industriel. Paris, 1835. 
15 Mushet. Iron and Steel. London, 1840. 
National Association of Wool Manufacturers. 
Bulletin. Nos. 5 and 6. Boston, 1875. 
Navigation of United States. Philadelphia, 1826. 
Newberry. Geological Survey of Ohio. Report of Progress. 
1870. Columbus, 1871. 
Newcomb. Orbit of Uranus. Washington, 1873. 
Newcomb. Planetary Motion. Washington, 1874. 
Newcomb. Uranian and Neptunian Systems. Washington, 
1875. 
Newcomb. Position of Fundamental Stars. Washington, 
1870. 
Newcomb. Right Ascensions of Stars. Washington, 1872. 
Newton. London Journal of Arts and Sciences. Vols. 9; 
Jan. to Marcli. Vol. 14; 2d Series, April to Sept., Vol. 1 ; 
Oct. to Feb., Vol. 2 ; May to July, Vol. 3 ; Jan. to March, 
Vol. 8 ; Conjoined Series, Dec , Vol. 1 ; July, Vol. 32; Aug. 
to Jan., Vol. 33; Feb. to April, Vol. 34; Oct, Vol. 41. 
London,1825-52. 
New York State Library. 59th Annual Report. Albany, 
1876. 
New Zealand Institute. Transactions. Vol. 10, 1877. 
Nicholson. Operative Mechanic. Philadelphia, 1826. 
Niles Weekly Register. 3d Ser., Vol. 9, 1828; 4th Ser., 
Vol. 7, 1833 ; 4th Ser., Vol. 8. Incomplete. Baltimore, 
1828-33. 
North American Review. New Series. Vols. 1 to 3 ; 8 
to 11 ; 19 to 21 ; Jan., Vol. 70; July, Vol. 71 ; Jan., Vol. 
76. Boston, 1820-53. 
Nourse. Canal of Suez. Washington, 1870. 
Nourse. Founding and Progress of TJ. 8. Naval Observatory. 
Washington, 1873. 
16 Nova Scotian Institute of Natural Sciences. Trans- 
actions. Vol. 1, Pts. 2 and 4. Halifax, 1863-66. 
Nystrom. Pocket-book of Mechanics' and Engineering. 
Philadelphia, 1872. 
Observations of Total Eclipse of the Sun. 1869-70. 
Washington, 1869-71. 
Observations on Days of Unusual Maynet ic Dis- 
turbances. Part 1, 1810-41. London, 1843. 
O'Catlayhan. History of New York. Voh. 1 and 2. 
Albany, 1849. 
Ordnance Memorandas, No. 14. Washington, 1873. 
Origin of Laivs. Edinburg, 1761. 3 vols. 
Overman. Assaying and Mining. 1851 and 1853. 
Owen. Geological Survey of Wisconsin, Iowa, &c. Phila- 
delphia, 1852. T. & P. 2 vols. 
Pambour. Locomotive Engines. Philadelphia, 1836. 
Parnell. Chemical Analysis. London, 1842. 
Pasley. Natural Philosophy. London, 1836. 
Patent Office, U. S. Decisions of Commissioner. 1869 and 
1870. Washington. 
Payen. Traite des Reactifs. Paris, 1825. 
Pennsylvania Archives. Vols. 1-12. Philadelphia, 
1852-56. 
Pennsylvania Common School Reports for 1860,1862 
1863 and 1876. Harrisburg. 
Pennsylvania Hospital. Philadelphia, 1817. 
Pennsylvania Pailroad Guide. Philadelphia, 1855. 
Pennsylvania State Agricultural Society. Trans- 
actions. Vols. 1 and 3. 1854-55. 
17 Penny Magazine. London, 1832. 
Phillips. Mineralogy. New York, 1818. 
Philosophical Magazine. Tilloch. Vols. 1 to 8 and 53. 
London,1798, 1800 and 1819. 
Philosophical Transactions. Vols. 74 to 76. And 
Indexes. London, 1784 and 1821. 
Philosophical Abstracts. Philosophical Transactions. 
Vols. Ito 6. London. 
Piesse. Perfumery. Philadelphia, 1867. 
Pope. Bridge Architecture. New York, 1811. 
Pope. Operations in Virginia. Washington, 1863. 
Porter. Chemistry of the Arts. ' Philadelphia, 1830. 
Portfolio. Vols. 1 to 7. July, Sept., Nov. and Dec., Vol. 8. 
Philadelphia, 1809-12. 
Presidents' Messages. 1848-9; 1854, 1855, 1867. Wash- 
ington. 
Proceedings of Academy of Natural Sciences, Vol. 
4, 1848. Incomplete. Journal, Aug., 1834. 
Pardon. Digest. 1700 to 1818. Philadelphia. 
Purdon. Digest. 1700 to 1836. Philadelphia. 
Pursuit of Knowledge under Difficulties. Boston, 
1830. 
Py*'otechnisf s Companion. Philadelphia, 1852. 
Quarantine and Sanitary Convention. Proceed- 
ings. April, 1859- 
Quarterly Journal of Science, Literature and Art. 
July to Dec., 1829, and January and March, 1830. London, 
1829-30. 
Hand. Medical Chemistry. Philadelphia, 1867. 
18 Raymond. Medical Chemistry. Washington, 1869-70. 
Register of the Arts and Sciences. 1st Series. Vol. 1, 
1824 (4 copies); Vol. 2,1825 (3 copies); Vol. 3,1826(2 copies); 
Vol. 4, 1827. 2d Series. Vol. 1; Vol. 2 (2 copies); Vols. 
4 to 7. London, 1828-32. 
Registers of Officers, etc., of the United States, 
1833 to 1841. Philadelphia and Washington. 
Renwick. Mechanics. Philadelphia, 1832. 
Repertory of Arts and Manufactures. 1st Series, 
Vol. 1, 1794, to Vol. 16, 1802. [2 copies of Vol. 1; 2 copies 
of Vol. 2 , 2 copies of Vol. 3 ; 1 copy each of Vols. 4 to 10; 
2 copies of Vol. 11; 2 copies of Vol. 12; 1 copy of Vol. 13.] 
2d Series, Vol. 1, 1802, to Vol. 9, 1806; Vol. 24, 1823. 
[I copy of Vol. 3; 1 copy of each of Vols. 6, 7, 28, 31 and 
32.] (All of which are incomplete.) London. 
Repertory of Patent Inventions. 2d Series, No. 78, 
Sept., Vol. 12, 1831. Enlarged Series, Nos. 655 to 660, July 
to Dec., Vol. 12, 1848; Nos. 661 to 666, Jan. to June, Vol. 
13, 1849; No. 667 to 670, July to Oct., Vol. 14, 1849; No. 
701, Aug., Vol. 20, 1852. London. 
Report of Board of City Trusts, 1875. Philadelphia. 
Report on Commissioners of Fairmount Park. Philadelphia, 
1878. 
Report of Secretary of Internal Affairs, Pennsylvania. Pt. 3, 
Vol. 3. Harrisburg, 1874-75. 
Report of Secretary of Navy, 1876. Washington. 
Report of the Supervising Architect, 1875. Washington. 
Report on Experiments with Water Tube and Fire Tube Boilers. 
Philadelphia, 1868. 
Report on Fortifications and Sea Coast Defences. Washington, 
1862. 
Report on Heavy Ordnance. Washington, 1869. 
Report on House of Commons Buildings. London, 1833. 
19 Report on Improvements of Metropolis. London, 1844. 
Report on Increased Trade of London. 1796. 
Reports of Chief of Ordnance, 1873. Washington. 
Reports of Chief Signal Officer, Washington, for 1872, 1877 
and 1878. 
Reports of Light House Board, 1852, 1873 and 1878. Wash- 
ington. 
Reports of Pennsylvania Inspectors of Mmes for 1872 and 
1874. Harrisburg, 1873 and 1875. 
Reports of Secretary of War, 1872 and 1874. Washington. 
Reports of Trustees of Gas Works, Philadelphia, 1838 and 
1857. 
Reports of U. S. Life Saving Service, 1876 and 1877. Wash- 
ington. 
Reports on Water Supply for 1801, 1819, 1825, 1828, 1853, 
1861, 1862, 1863, 1867 and 1880. Philadelphia. 
Reports on the Great Western and Northern Lakes and 
Atlantic Ocean. Newberg, 1817. 
Report upon a Steam Navy. London, 1849. 
Resume des Travauoc Statistique de I'Administra- 
tion des Mines en 1835 et 1838. Paris, 1836 and 1839. 
Reuleaux. Kinematics of Machinery. London, 1876. 
Robinson. Catalogue of American Minerals. Boston, 1825. 
Roscoe. Chemistry. New York, 1868. 
Royal Cornivall Polytechnic Society. Reports, 1850, 
1851 and 1856. 
Royal Geographical Society Journal. Pt. 3, Vol. 8, 
1838; Pt. 1, Vol. 11, 1841 ; Pt. 2, Vol. 12, 1842 (2 copies); 
20 Pts. 1 and 2, Vol. 13, 1843 (2 copies of Pt. 1); Pts. 1 and 2, 
Vol. 14, 1844 ; Pts. 1 and 2, Vol. 15, 1845 (2 copies of Pt. 2); 
Pts. 1 and 2, Vol. 16,1846. 
Boyal Institution of Great Britain. Journal of 
Science and Arts. Vols. 1, 4 to 7 ; No. 4, Vol. 2; No. 5, 
Vol. 3 and No. 10, Vol. 5; also Vols. 4 to 7. Complete. 
London, 1817-18. Vols. 1 to 5. New York, 1817-18. 
Boyal Irish Academy Proceedings. Parts 1 to 8 
Vol. 7. Parts 1 to 7 Vol. 8. Dublin, 1858-64. U. Inc. 
Boyal Society. Proceedings. Nos. 1 to 44. London, 1830- 
40. 
St. Anges Metallurgic du Fer. Paris, 1835 38. 
Schlatter. Fonte des Mines. Paris, 1753, 1754 and 1764. 
Scientific American. New Series. Vols. 1, 2 and 3. New 
York, 1859-60. 
Shuffeldt. Explorations and Surveys. Washington, 1872. 
Sigaud de la Fond. Cabinet de Physique. Paris, 1775. 
2 vols. 
Slater, Memoir of. Philadelphia, 1836. 
Smith. Botany. Philadelphia, 1814. 
Smithsonian Institrction. Reports of Regents. 1862, 1865 
and 1875. Washington, 1863-76. 
Small. Legislative Directory. Harrisburg, 1875-76. 
Societe d' Encouragement pour I' Industrie. 
Nationale Bulletin. Oct. and Dec., 1839, and Vol. 1, 2 
Series, 1854. 
Societe Geographic. Bulletin. 4th Series. Vol. 5. Paris, 
1853. 
State Board of Agriculture. Kansas. Report. 1875. 
21 State Department, U. S. Commercial Relations of the 
U. S. with Foreign Nations. 1857, 1859 and 1862. 
Statistical Society of London. Journal. Oct., 1838. 
Vol. 1. July and Oct., 1839, and Jan., 1840. Vol. 2. 
Statistical Views of States. 7th Census. Washington, 
1853. (2 copies.) 
Statistics of Population. 9th Census. Washington, 1871. 
Stokes. Cabinet Maker's Companion. Philadelphia, 1852. 
Strength of materials for Steam Hollers. Report. 
Philadelphia, 1837. 
Sturgeon. Annals of Electricity. April, 1839 ; July, August, 
1841. 
Swallow. Geological Survey of Missouri. Jefferson City, 1855. 
Taylor. Coal Lands of Pennsylvania. Philadelphia, 1840. 
Telegraphic Electric. Paris, 1849. 
Thenard. Chimie Elementaire. 3d Ed. Paris, 1821. 4 
vols.; 4th Ed. Paris, 1824. 5 vols. 6th Ed. Paris. 
1834. Vol. 1. 
Thomas. Lippincott's Gazetteer. Philadelphia, 1876. 
Thompson. Laws of Pennsylvania. Octarora, 1804. 
Thomson. History of Royal Society. London, 1812. 
Timbs. Year Book of Facts. Philadelphia, 1851. 
Timbs. Year Book of Facts. London, 1853. 
Totten. Molars and Lime Burning, Philadelphia, 1838. 
Trafford's. Vue du Monde. Zurich, 1875. 
Transit of Venus. Part 1. Washington, 1872. 
22 Trautwine. Civil Engineer's Pocket-book. Philadelphia, 
1872. 
Treasury Department United States. Reports of Sec- 
retary on Commerce and Navigation. 1850,1851, 1863,1866 
and 1878. Reports on Finances. 1848, 1849,1855-56, 1862 
and 1880. 
Turnbull and McRea. Railroad Accidents. Philadelphia, 
1854. 
Tyndall. Heat as a Mode of Motion. New York, 1863. 
U. S. National Museum. Bulletin, Nos. 1 and 2. Wash 
ington, 1875. 
United States Coast Survey Reports. 1851 with Maps 
1852, 1855 to 1857, 1859 to 1866 and 1870. Washington. 
United States Textile Manufacturing Directory. 
Boston, 1873. 
Ure. Dictionary of Arts, Manufactures and Mines. 2 vols. 
New York, 1854. 
Vickerman. Woollen Thread. Huddersfield, 1879. 
Vines, American, in Europe. 
Von Gersfner. Mechanics. Plates 1 to 109. 1831. 
J oyages Metallurgiques. Paris and Lyons. 1774,1780, 
1781. 
Warren's. Shades and Shadows. New York, 1867. 
Weigert. Weaving. Berlin, 1845 
Wheeler, Surveys west of 100th Meridian. Vols. 2 to 6. 
White. Memoir of Slater. Philadelphia, 1836. 
Williams. Report on Lead, etc. Jefferson City, 1877. 
23 Wood. Railroads, etc. Philadelphia, 1832. 
Wood. Locomotive and Fixed Engines as a Moving Power. 
Philadelphia, 1831. 
Wood and Bache. Dispensatory. Philadelphia, 1834. 
Woodcroft. Hero of Alexandria. Translated. London, 
1851. 
Tarnail. Catalogue of Stars. 1845-71. Washington, 1873. 
Zones of Stars Observed with Meridian Circle. 
1847-49. Washington, 1873. 
Zones of Stars Observed with Meridian Transit 
Instrument. 1846-49. Washington, 1872. 
Zones of Stars Observed with Mural Circle 1846 to 
1849. Washington, 1872. 
Zoological Society. Proceedings. London, 1849 and 1867. 
24