Keeler headband trial frame

Catalogue Number: 2568
Keeler headband trial frame
Category: Equipment
Sub-Category: Trial Frame
Designer/inventor: Keeler Ltd
Year Of Publication/Manufacture: c1970
Time Period: 1940 to 1999
Place Of Publication/Manufacture: England
Publisher/Manufacturer: Keeler Ltd
Description Of Item: 3 cell trial frame in chromed metal mounted on adjustable opaque white plastic headband. Trial frame has variable pupillary distance and is pivoted to allow correct alignment in front of subject's eyes. Stamped 'KEELER/ ENGLAND'. Conventional trial frames rely on the subject's nose and ears to support the frame in place. This instrument is suitable even when facial abnormalities preclude the use of a standard trial frame. W:160mm x D:200mm x H:100mm.
How Acquired: Purchased by Kett Museum via eBay
Date Acquired: March 2015
Condition: Very good
Location: Archive Office. Cabinet One Drawer 4

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