Catalogue Number: 1061
Year Of Publication/Manufacture: c1903
Time Period: 1900 to 1939
Place Of Publication/Manufacture: U.S.A.
Publisher/Manufacturer: ? Burnams
Description Of Item: Subjective optometer with spherical adjustment of +10 to -20 D, also Stokes Lens (variable crossed cylinders) to measure astigmatic error (power & axis) 0 to 5 D. Mounted with alternate trial frame on adjustable bracket. Imprinted: SERIES C No 936/ Burnam's Pat July 22 1903. L: 35.5 cm x H: 19.0 cm (inc chin rest)
How Acquired: Donated by William Johns, mid 20th C Melbourne Optometrist, who bought it second hand from Sam Raphael, principal of the Melbourne optometry firm, John Browning
Location: Archive room. West wall. Unit 4 Drawer 5