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BuyLicense this image for commercial use at Science and Society Picture Library
LicenseEyesight testing equipment, wooden board with handle
Science Museum Group
© The Board of Trustees of the Science Museum
Eyesight testing equipment, wooden board with handle
Science Museum Group
© The Board of Trustees of the Science Museum
Eyesight testing equipment, two wooden boards with handles, one with instructions other with coloured squares and dots, one spare card.
Eyesight testing equipment, wooden board with handle, with coloured squares and dots.
Eyesight testing equipment, wooden board with handle, with description and instructions (modified after the Regulations issued from the Horse Guards by Professor Longmore in 1868), by G.H. Turner, Goods Manager, Derby, July 1st, 1877.
Eyesight testing equipment, card with description and instructions (modified after the Regulations issued from the Horse Guards by Professor Longmore in 1868).
