LOGS Hast lu Street,
Bronx, N.Y.,

January 11,141.

lr. Henry Platt;
The American Institute Science Laboratory,
$10 Firth Avenue,
New York,N.Y.
Dear Sir:

Enclosed, vou will please—find the completed consent tlant,es ~
requested. I shorld also like to aprend a more conplete list of |
the equiyment necessary for the project}'Cytology and the Theory
of Fixation (of Animal ana Flant Celis)',then was compiled in
your office toaay. .

Required, the first week:

Formalin,U.S.P. 49%, 1CC to b0O oc. F

Pieric Acia,U.r. eryst., 20 to 50 ¢. F ana st.

Glacial Acetic Acia,C.7.2C00 to “350 ec F

Urea, C.I., crypt. » toll gg. F

Chroziie Acia,C JF -annyar., dono og. F |

Metarl Alconal, BPHithetioor.,qrsoly ve TC 02400 ce, F,wash,

Potassium Dichronate, © a G0 MS Ee BEY uss

Dioxrane anhrar., | lL vo 4 1lts. dehrdfatve,infilter
Zylol oo .L-to 2 tos, stain avd
Paraffin, ps at - 9C° C., &£ to 2 ips. infilter and imted
iserouric Chlemteg..,.  ° Wwe, FE

Iz:mmersion oil “25 "ee
i.ieroseone “
_ Dissectin- instrttierts : .
“Note: The chemicals enumerated above aré ‘tAWee>that are required
for firetion, embedding ete.,and tor observing some. rreparations
eliready nage, The reference to Camic Acid is meant Literally “in
She sense that I should be sunremel: overjoved to lay my hands
even on a few molecules of it. the chemicels marked 'F' are to be
-, used in preparing finatives. The quantities are sutricient for .
- preparins a several nonths supply of the various ones,trt the

Usmie Acia, 1x~ewex, ayeilable, whenever -avaigaleble up so 2 g.F st

' lesser amounts indicated are rather necessary to berin uverations,
@Lwousn some preliminaries migsnt be »oscible. The oviers world ce
used in rurther rrepsarin' tne ‘cissre: cna celir ror L.2eLSo Tony.

Stains and nordants,etc.,for Gre secona wee cold . sreecser ore:

Slides,cover-clesses(=1l rlesse) anu LOres,ete.,ror about 1OC rre-
parations. Demar or balsam tor moumtine. Slide leeis, Bon Auld.

senatorylin,eryst.,C.2.(or equivalent) 2 Cc.

6 Stazne Staining Glasses. .

Bosin. © .G4.501l. 1 2,

Delafields Leueto-ylin solution- ¢his can le ottained elseriere.

Acid Puchsin(Sodium Salt 6f Rosaniline sulfonic Acid,Rubine S)

25. ,

Basic Fuehsin 27.

Sentien Violet 2 ¢.

Ammonie wever,Distillea Hater,Cone. iCl,vrebatly in stock.

Cadmiua Chloride » ¢. (sor Aoyama  ethod ef scvainaar dictyosomes)

Sodiua Sulpnite, LO g.

Sodium Chloride G.r. 1CGg.

Expectantly grateful for this anticij-ated oO: porwunitr,
I remain Sincerel: and wrnly yours,

. . / ~y
E jensen ee how Bde
Tce otek Josnua Yece rte S
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