MusEYEum Online Catalogue

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instructions; brochure
American Optical Company
North America: USA, Massachusetts, Southbridge
February 1942
overall: 235 mm x 157 mm

Instructional brochure for a brand of projection apparatus for visual acuity test charts and subjective testing. A5 format printed in black and blue on 32 pages, with soft outer covers of thick yellow paper. Includes photographs of a modern refracting room and of the instrument in use. Also includes illustrations of standard Project-O-Chart slides, additional diagrams and an annotated picture showing the various parts of the instrument.


Gift of K. A. Stephens, 2012

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