Lens measure

Catalogue Number: 4079
Lens measure
Category: Equipment
Sub-Category: Lens measure, lens clock
Time Period: 1940 to 1999
Place Of Publication/Manufacture: Possibly Germany
Publisher/Manufacturer: unknown
Description Of Item: Glass-faced lens clock for measuring the curvature of the front and back surfaces of ophthalmic lenses. Casing is made of chrome. The white clock face has black dioptre scale from ? 10 D and black rotating pointer. Three pins under protective metal cover. There are no markings on the front or back surfaces. Overall sizeHoused in a black cardboard box with a folded one page set of instructions titled 'Directions for use of the lens measure'. 'Made in Germany' written on bottom of the page. Lens measure 60 mm x 48 mm. Box D 75 mm x W 55 mm
How Acquired: Donated by Elizabeth Hatfield
Date Acquired: 13/10/2019
Condition: Lens measure good condition, box poor condition
Location: Archive office. East wall shelves unit 3. Drawer 1

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