Black Binocular Loupe
 Catalogue Number: 1305 Black Binocular Loupe Category: Spectacles and lenses Sub-Category: Magnifiers Year Of Publication/Manufacture: c1945 Time Period: 1940 to 1999 Place Of Publication/Manufacture: England Publisher/Manufacturer: Allen & Hanbury's Ltd Description Of Item: Black metal binocular magnifier. Elastic headband with buckle. Lenses approx +16D allowing very short working distance. Round viewing holes in base allow unaided view. Imprinted 'ALLEN & HANBURYS Ltd ENGLAND'. 127mm x 120mm x 68mm Historical Significance: In the days before slit lamps, and before optometrists had them routinely in their consulting rooms, the binocular loupe was used for examination of the anterior eye. Slit lamps for ordinary clinical practice date back to 1911 when Alvar Gullstrand developed a rudimentary slit lamp, although the value of oblique focal illumination had been known since the early years of the 19thC. Optometrists in Australia did not adopt slit biomicroscopy until the 1960s. How Acquired: Donated by Elizabeth Hatfield, Fellow of the College Date Acquired: July 2009 Condition: Very good Location: Archive room. West wall. Unit 3 Drawer 2 |