Refraction and muscular imbalance, as simplified through the use of the ski-optometer
 Catalogue Number: 351 Refraction and muscular imbalance, as simplified through the use of the ski-optometer Category: Book Sub-Category: Manual, for instruments etc Author: Daniel WOOLF Year Of Publication/Manufacture: 1921 Time Period: 1900 to 1939 Place Of Publication/Manufacture: New York Publisher/Manufacturer: Woolf Instrument Corp Description Of Item: Original cloth, 135 pages, illustrations Historical Significance: This is a manual discussing refraction and muscle balance measurement using the SKI OPTOMETER, which was an early form of refractor/phorometer Condition: Very good Location: Archive room. East wall. Books of historical note |