Four quartz optical flats

Made:
1920-1939 in England
maker:
Optical Works Ltd

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Science Museum Group
© The Board of Trustees of the Science Museum

Four quartz optical flats (1-inch diam, 1/2-inch thick; two flats chipped at the edges) in mahogany wooden case, made by Optical Works Ltd., London W5, England, serial number T.600 S.54.

Details

Category:
Optics
Object Number:
1976-434
Materials:
brass (copper, zinc alloy), felt, mahogany (wood), metal, nickel plated and quartz
Measurements:
case: 43 mm x 112 mm x 120 mm, , .29kg
flat (each): 25 mm x 13 mm x , ,
credit:
Ministry of Defence (Procurement Executive)