logologo-optometry

Boxed loose prism set labelled 'Prism Exercises - as suggested by- DR'S BERENS, LOSEY & HARDY.'

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Catalogue Number: 4391
Boxed loose prism set labelled 'Prism Exercises - as suggested by- DR'S BERENS, LOSEY & HARDY.'
Category: Equipment
Sub-Category: Tests of binocular vision
Designer/inventor: Conrad Berens, Ray R Losey, LeGrand H Hardy
Year Of Publication/Manufacture: c1930
Time Period: 1900 to 1939
Place Of Publication/Manufacture: New York, NY, USA
Publisher/Manufacturer: Halpert & Fryxell, inc.
Description Of Item: Boxed set of 8 loose prisms and one red filter. Timber box, 92mm W x 93mm D x 58mm H, covered in black leatherette, fitted internally with purple velvet and satin. Gilt lettering on lid 'Prism Exercises - as suggested by - DR'S. BERENS, LOSEY & HARDY'. Gilt lettering inside lid 'HALPERT & FRYXELL, INC,/ NEW YORK-BROOKLYN-YONKERS'. Ref: Routine Examination of the Ocular Muscles and Non-operative Treatment, Conrad Berens, Ray R Losey, and LeGrand H Hardy, American Journal of Ophthalmology Vol 10, Issue 12, December 1927, pages 910-918.
How Acquired: Donated by Pamela Sutton
Date Acquired: May 2023
Condition: Good, missing one filter and some covering at rear of box
Location: Documents Room Red Daytona Cabinet Drawer 2

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