Instructions: Professional ophthalmoscope (Bausch and Lomb)
 Catalogue Number: 2495 Instructions: Professional ophthalmoscope (Bausch and Lomb) Category: Papers Sub-Category: Ophthalmic product manual/instructions Corporation: Bausch and Lomb Year Of Publication/Manufacture: c 1960 Time Period: 1940 to 1999 Place Of Publication/Manufacture: Rochester New York, USA Publisher/Manufacturer: Bausch and Lomb Description Of Item: Cream coloured printed paper wrapper, 19 pages, fully illustrated Historical Significance: During the 1950s and 1960s, direct ophthalmoscopes with intense illumination such as the Keeler Pantoscope, Bausch & Lomb Professional, American Optical Giantscope and the Zeiss Jena Electric competed at the sophisticated end of the market. Their life was to be curtailed suddenly, however, by the introduction of a new type of light source by the Welch Allyn Company in 1973. This was the halogen bulb, operating at 3.5 volts and producing a brilliant white light. (Source: College of Optometrists (UK), Ophthamoscopes Part III http://www.college-optometrists.org/en/college/museyeum/online_exhibitions/optical_instruments/ ophthalmoscopes/ophthalmoscopes3.cfm How Acquired: Donated by Harold Barton, Melbourne optometrist Location: Archive office. Pamphlet and ephemera filing cabinet. Drawer 6 |