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Comparative Tables
selection chart
J & H Taylor
Europe: United Kingdom, England, Birmingham
Early 20th c.
wood; paper
overall: 162 x 52 x 15 mm

Printed set of comparative tables for converting dioptres into English inches and also concave lens numbers into English inches. Pasted onto the back surface of a wooden cabinet drawer with spherical handle.


Gift of Mr Alan Leach, 2006

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