May ophthalmoscope head made by Bausch and Lomb

Catalogue Number: 4063
May ophthalmoscope head made by Bausch and Lomb
Category: Equipment
Sub-Category: Ophthalmoscope
Designer/inventor: Charles H May
Year Of Publication/Manufacture: c 1950
Time Period: 1940 to 1999
Place Of Publication/Manufacture: Rochester USA
Publisher/Manufacturer: Bausch and Lomb Optical Company
Description Of Item: May-type ophthalmoscope head, black enamel metal with removable chrome stem holding the lamp. The stem connects to a battery handle (not included) of the kind in Cat No 2197. Rotating disc with milled edge holding correcting lenses the power of which can be viewed through a small lens window. Marked on front BAUSCH / AND LOMB / OPT CO / U.S.A. / MAY OPHTHALMOSCOPE. Rear marked 'U.S. PAT. 2,080,844'. Dimensions 92 x 42 x 18 mm.
Historical Significance: The May ophthalmoscope was made by several manufacturers. See Cat Nos 1185, 1186 and 1188, See Bausch and Lomb instrument catalogue of the 1950s at Cat No 2169.
How Acquired: Donated by ACO Clinic
Date Acquired: May 2019
Condition: Good
Location: Archive Office. Cabinet One Drawer 10

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