Hollow Prism of natural quartz with mounting lug on base, and three quartz windows for same, by Adam Hilger Ltd., c.1902. Used by the late Col. J. W. Gifford.
- Object Number:
plate (each): 65 mm x 90 mm x 3 mm, , .045kg
prism: 76 mm x 97 mm x 80 mm, , .345kg
- prism - optical
- furnishing and equipment
- tools & equipment
- optical instrument
- optical instrument component
- Adam Hilger Limited
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