Gowllands trial frame

Catalogue Number: 2858
Gowllands trial frame
Category: Equipment
Sub-Category: Trial Frame
Year Of Publication/Manufacture: c 1900
Time Period: 1900 to 1939
Place Of Publication/Manufacture: London, England
Publisher/Manufacturer: Gowllands
Description Of Item: Trial frame, 120 x 60 mm, black double lens cells for right and left eyes rotated by side knobs, with axis scales on mock ivory, nose pad on central vertical post with nose pad height and distance from the face independently adjustable by screw knobs. Adjustable interpupillary distance and hockey sides, the length of which is adjustable by rack and pinion mechanisms.
Historical Significance: A similar trial frame is held at Cat No. 911, which is dated 1895 from the patent number inscribed on the eye rims,
How Acquired: Donated by Colin Dundon, antique ophthalmic collector, Williamstown
Date Acquired: May 2016
Condition: Good, except one 'ivory' scale has a patch of stain
Location: Archive Office. Spectacles cabinet Drawer 5

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