1. The dioptry again Author(s): Burnett, Swan M. (Swan Moses), 1847-1906, author Publication: [New York] : D. Appleton & Co., [1886] Subject(s): Optometry -- instrumentationTerminology as TopicEyeglassesDissent and Disputes
2. The metre-lens: its English name and equivalent Author(s): Burnett, Swan M. (Swan Moses), 1847-1906, author Publication: [New York] : D. Appleton & Co., [1886] Subject(s): Optometry -- instrumentationTerminology as TopicEyeglassesDissent and DisputesMetric System