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Carl Zeiss (Jena)
overall: 210 x 149 mm
Leaflet and guide in English to a German brand of focimeter including notes on its component parts and diagrams showing how to read the scale, mechanical spherometers, and details of three models 1) with spectacle lens holder, 2) with spectacle lens holder and marking device, 3) with full equipment including prism compensator. Printed in black and white on twelve pages, stapled. Black and white photographic-based drawing of the instrument on the front cover. Annotated diagram of the instrument on the back cover.
Arthur Bennett Archive