Catalogue Number: 1797 The Genothalmic kratometer Category: Book Sub-Category: Manual, for instruments etc Corporation: Shuron Optical Company Inc Year Of Publication/Manufacture: 1933 Time Period: 1900 to 1939 Place Of Publication/Manufacture: USA Publisher/Manufacturer: Shuron Optical Company Inc Description Of Item: Ilustrated paper wrapper, 24 pages, iliustrations in text, charts used in the instrument are illustrated on the back cover Historical Significance: This manual describes the principles and use of the kratometer and was first published in 1928. Kratometer (kra?tom?e?ter) is a prism-refracting instrument for use in orthoptic training. See also the 'Modern Treatment of Binocular Imbalances with the Genothalmic Kratometer' by Ryer, LeRoy, and Peckham. Shur-On Optical Co. (1928). The instrument and the book are illustrative of the enthusiasm for binocular vision in the first half of the 20th CSee Cat No 240, 245 and 470 for other manuals for this instrument. See Cat No 305, 595 and 596 for books on the use of the Kratometer. The museum has an example of the instrument Cat No 913. How Acquired: Donated by Pamela Sutton, honorary archivist Date Acquired: Feb 2011 Condition: Fine Location: Archive office. Pamphlet and ephemera filing cabinet. Drawer 4 |