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 |