Interpupillary distance ruler with supplementry information

Catalogue Number: 2341
Interpupillary distance ruler with supplementry information
Category: Equipment
Sub-Category: PD ruler, pupillometer
Corporation: Campbell Pharmaceuticals Inc
Year Of Publication/Manufacture: 1962
Time Period: 1940 to 1999
Publisher/Manufacturer: Campbell Pharmaceuticals Inc
Description Of Item: Blue coloured flexible plastic ruler with cm scale on one side and inch scale on the other, with a hole covered with translucent plastic labelled 'halo viewer'. One side has a conversion scale for different weights of the Schiotz tonometer and on the reverse there is an advertisement for Phospholine Iodide.
How Acquired: Donated by Dr Ian Robertson, Melbourne ophthalmologist
Date Acquired: Sept 2013
Condition: Good
Location: Archive office. Pamphlet and ephemera filing cabinet. Drawer 6

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