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London Technical Monograph No 4 - Crossed Cylinder Technique
ARCHIVAL ITEMS
pamphlet
London Optical Company Ltd; McKay-Ferguson, Olrig; Young, Myers & Co. Ltd
Europe: United Kingdom, England, London, EC2
c.1948
paper
overall: 202 mm x 133 mm

Pamphlet aimed at practitioners explaining the crossed cylinder technique of subjective examination. A5 format printed in black and white on 6 pages with soft cream-coloured end covers, stapled. Includes text on introduction and theory, practical application, additional notes, refinements, tolerances in prescribing, conclusion and references.


2011.285

Gift of Mr Harry l. Green, 2011



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