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The Improved Foriagraph
ARCHIVAL ITEMS
instructions
Ellis Optical Co
Europe: United Kingdom, England, Surrey, Croydon, Thornton Heath
1930s
paper
overall: 223 x 145 mm
2009.104
ARCHIVAL ITEMS
instructions
Ellis Optical Co
Europe: United Kingdom, England, Surrey, Croydon, Thornton Heath
1930s
paper
overall: 223 x 145 mm
Instruction manual. Printed in black and white with one line drawing and two photographic illustrations of the instrument and its use on a patient. A5 format printed on 8 pages with soft orange card cover. Includes instrument description and directions for measurement of accommodation, test for binocular vision, axis of cylinder, colour test, angle of squint, convergence, readinmg card, near muscle test and protractor. Includes prices and manufacturer's address.
2009.104
Gift of Mr John C. Adams, MCOptom, 2009