logologo-optometry

Bernell Orthoptic Training Tranaglyphs: ghgBC/51, BC/53 and BC/54.

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Catalogue Number: 3670
Bernell Orthoptic Training Tranaglyphs: ghgBC/51, BC/53 and BC/54.
Category: Equipment
Sub-Category: Vision Therapy Equipment
Corporation: Bernell Corporation
Year Of Publication/Manufacture: 1980
Time Period: 1940 to 1999
Place Of Publication/Manufacture: South Bend, Indiana, USA
Publisher/Manufacturer: Bernell Corporation
Description Of Item: Five translucent slides (255 mm x 140 mm) imprinted with four or two sets of separated images in red and green, also sets of concentric circles with a square, an X and a circle within them and a centrally placed diamond. When fused the concentric circle targets appear three dimensional. The diamond provides a suppression check. All slides have TRANAGLYPH ORTHOPTIC SLIDE BC/51 (3 slides), BC/53 or BC/54 and 1980 BERNELL CORP. South Bend, IN. on the border. All have accompanying instruction sheets.
Historical Significance: Bernard Vodnoy established the Bernell Corporation to produce affordable vision therapy equipment for home use. See also Cat. Nos. 1685, 1868, 1904, 2782 and 3671.
How Acquired: Donated by Colin Bates
Date Acquired: 08/10/2018
Condition: Very good. One slide (BC/52) missing from set.
Location: Documents Room Red Daytona Cabinet Drawer 2

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