Greens' Refractor Reference Manual
 Catalogue Number: 3831 Greens' Refractor Reference Manual Category: Book Sub-Category: Manual, for instruments etc Corporation: Bausch & Lomb Incorporated Year Of Publication/Manufacture: c1964 Time Period: 1940 to 1999 Place Of Publication/Manufacture: Rochester, NY, USA Publisher/Manufacturer: Bausch & Lomb Description Of Item: Greens' Refractor Cat Nos 71-48-70 71-48-71 Reference Manual. 24 pages, black & white photographs. The title page includes a triangular company logo enclosing overlapping 'B&L'. Rear card cover includes '714870-327ND, 1M, 111-64'. Page 5 lists available enamel in 'colors of Jade Green, Coral, Cream White, Biscayne Blue and Satin Black'. Accompanied by 3 reading cards for use with the refractor: 2 by B&L & labelled '713589-101, 1000, VIII-64' and '713590-101, 2000, VIII-64'. Dimensions 220 x 146 mm. Historical Significance: The Greens' Refractor was designed by A S Green MD, L D Green MD & M I Green MD and was granted a patent in1932. The Greens' Refractor was very popular for many decades. Production stopped in the late 1970s, although many Greens' Refractors remained in use into the 21st century. How Acquired: Donated by Gordon Hawley Date Acquired: April 2020 Condition: Good, some wear at lower edge Location: Archive office. Pamphlet and ephemera filing cabinet. Drawer 9 |