Simple trial frame

Catalogue Number: 912
Simple trial frame
Category: Equipment
Sub-Category: Trial Frame
Year Of Publication/Manufacture: c1930
Time Period: 1900 to 1939
Description Of Item: Simple double drop-cell trial frame. Chrome plated metal half-eye frame, axes marked 0 to 180. Straight sliding bridge varies PD from 60 to 70 mm. Straight sides with spatula ends, each stamped '50'. W: 12.5cm x D: 2.5cm
How Acquired: Donated by Alan Templeton
Condition: Very good
Location: Archive Office. Spectacles cabinet Drawer 5

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