Genothalmic Refractor
 Catalogue Number: 1122 Genothalmic Refractor Category: Equipment Sub-Category: Refractor Phoropter Phorometer Year Of Publication/Manufacture: c1920 Time Period: 1900 to 1939 Place Of Publication/Manufacture: Mt Vernon, N.Y., USA Publisher/Manufacturer: General Optical Co Inc Description Of Item: Genothalmic Refractor. Black painted metal instrument with main body including spherical & cylindrical lenses. 2 auxilliary lens drop cells to front, but R missing. 2 sets of variable prisms & red & white Maddox Rods. Horizontal spirit level. Collared stem for suspension arm mounting. Imprinted: GENOTHALMIC REFRACTOR/ 4058A/ GENERAL OPTICAL Co Inc/ MT VERNON, NY, USA. Rear: LICENSED/ PAT SEP18, 1917. W:23.0 cm x H: 14.5 cm x D: 10.0 cm (excluding mounting) Historical Significance: See other examples Cat Nos 932, 1121 and 2137 and Manual for the instrument at Cat No 1795 Condition: Very good Location: Archive room. West wall. Unit 3 Drawer 4 |