Four quartz optical flats

Four quartz optical flats (1-inch diam

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Four quartz optical flats (1-inch diam
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:
quartz, mahogany (wood), metal, brass (copper, zinc alloy), nickel plated and felt
Measurements:
case: 43 mm x 112 mm x 120 mm, , .29kg
flat (each): 25 mm x 13 mm x , ,
type:
optical flat
credit:
Ministry of Defence (Procurement Executive)