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 |