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 |