Greens' refractor. Reference manual

Catalogue Number: 2829
Greens' refractor. Reference manual
Category: Papers
Sub-Category: Ophthalmic product manual/instructions
Corporation: Bausch and Lomb Optical Co
Year Of Publication/Manufacture: 1942 ?
Place Of Publication/Manufacture: Rochester, New York, USA
Publisher/Manufacturer: Bausch and Lomb Optical Co
Description Of Item: Yellow printed wrappers, 235 x 155 mm, centre fold stapled, 24 pages, 3 full page black and white photographs and seven smaller photographs as Figures 1 to 7.
Historical Significance: A number of optical instrument companies made phorometers and refractors from the 1920s but the Green's refractor was one that attained great popularity in the 1930s to the 1950s because of its ease of use and reliability. It was designed by AS Green MD, LD Green MD, and MI Green MD of San Francisco (see Cat No 1719 for a Bausch and Lomb Catalogue dated 1936 for a full description of the instrument). The patent for the Greens refractor was lodged in 1929 (see picture page A57 in Hirschberg's History of Ophthalmology Vol II Part 2) and we have another manual for it dated 1935. (Cat No 1223). This item has been dated 1942 on the presumption that the last two digits of its identification number on the back cover are 42 (H-213,775,111-42.)
How Acquired: Donated by Estate of William Cooper, via Peter Lewis
Date Acquired: Mar 2016
Condition: Fair to poor: cover and early pages are badly stained
Location: Archive office. Pamphlet and ephemera filing cabinet. Drawer 7

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