Catalogue Number: 3512
B&L May ophthalmoscope head
Year Of Publication/Manufacture: c1938
Time Period: 1900 to 1939
Place Of Publication/Manufacture: USA
Description Of Item: Black metal ophthalmoscope head. Single wheel of lenses. Imprinted 'BAUSCH & LOMB/ OPT. CO./ USA/ MAY OPHTHALMOSCOPE'. Rear imprinted 'US PAT. 2,080,844'. Size: 95 x 42 x 20mm.
Historical Significance: The patent number 2080844 on the ophthalmoscope head refers to the battery handle and illumination system design which was granted on 18 May 1937 to Bausch & Lomb for Carl Wittig's design.
How Acquired: Donated by Alan Isaacs
Date Acquired: April 2013
Location: Archive Office. Cabinet One Drawer 10