Reference numberAP/67/6
TitleOn the Focometry of Lenses and Lens Combinations: and on a new Focometer
Date3 February 1891
DescriptionWritten by Professor Sylvanus P Thompson, D.Sc, BA of the City and Guilds Technical College, Finsbury
Communicated by Professor G Carey Foster, BA, B.Sc, FRS
Received 4 February 1891
Read 19 February 1891
Includes a photograph of Professor Thompson's Focometer
Extent35 pages
Access statusOpen
Fellows associated with this archive
NA7141Thompson; Silvanus Phillips (1851 - 1916); physicist and electrical engineer1851 - 1916
NA6347Foster; George Carey (1835 - 1919); physicist1835 - 1919
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