Catalogue Number: 4483 Genothalmic Refractor 4057-A Category: Equipment Sub-Category: Refractor Phoropter Phorometer Year Of Publication/Manufacture: c1917 Time Period: 1900 to 1939 Place Of Publication/Manufacture: Mt Vernon NY USA Publisher/Manufacturer: General Optical Co Inc Description Of Item: Black painted metal instrument with main body including spherical & cylindrical lenses. 2 auxilliary lens drop cells to front. Two sets of variable prisms, Stephens phorometer & red & white Maddox rods. Horizontal spirit level. Collared stem and suspension arm mounting. Rear stamped 'LICENSED PAT. SEPT. 18. 1917' W: 240mm x H: 150mm excluding mount. Front of instrument stamped: 'GENOTHALMIC REFRACTOR/ 4057-A' and 'GENERAL OPTICAL CO INC/ MOUNT VERNON/ N.Y. U.S.A.' How Acquired: Donated by Optometry Australia Queensland Date Acquired: 30 Sep 2024 Condition: Good Location: Archive room. West wall. Unit 3 Drawer 5 |