Outline of the infinity balance; together with a description of the apparatus for use in the technique.
 Catalogue Number: 340 Outline of the infinity balance; together with a description of the apparatus for use in the technique. Category: Book Sub-Category: Book of historical note Author: Albert Edward TURVILLE Year Of Publication/Manufacture: 1946 Time Period: 1940 to 1999 Place Of Publication/Manufacture: London Publisher/Manufacturer: Raphael's Description Of Item: Original cloth cover, 51 pages, illustrations Historical Significance: This is a manual decribing the techique of Turville infinity balance an instrument enabling refraction under binocular conditions of observation. Turville was an English optometrist who devised this method of refraction in 1946. Condition: Good Location: Archive room. East wall. Books of historical note |