Catalogue Number: 245 The modern treatment of ocular imbalances and the Genothalmic Kratometer Category: Book Sub-Category: Manual, for instruments etc : Anon Year Of Publication/Manufacture: 1926 Time Period: 1900 to 1939 Place Of Publication/Manufacture: New York Publisher/Manufacturer: Shur-on Standard Optical Company Description Of Item: TWO COPIES: Copy 1, Light card wrappers. 100 pages, illustrations. A manual for the use of the Kratometer. Copy 2. Original black cloth 100 pages; illustrations. Signature of previous owner Geoffrey B Cutter, a Ballarat optometrist in the first half of the 20th C on front fly leaf Historical Significance: Kratometer?(kra?tom?e?ter) is?a prism-refracting instrument for use in orthoptic training. The General Optical Company also made one, an example of which is held by College of Optometrists London (pictured) see http://www.museyeum.org/detail.php?t=objects&type=all&f=&s=kratometer&record=0. 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 C. See also Catologue No 240. The Kett Museum has a Kratometer. See Cat No 913 How Acquired: Donated by Condition: Copy 1 Very good Copy 2 Fair (insect damage of first leaves) Location: Archive room. East wall. Books of historical note |