Browse Items (327 total)
- Collection: 3D Artifacts
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1/2 Cylindrical lens
1/2 Cylindrical lens
1/2 Cylindrical lens in a wooden box
US Navy, 13" Spectroradiometer
US Navy, 13" Spectroradiometer
13" Spectroradiometer with various slit tab pairs in wooden box
4"x5" Glass Plate Holder
4"x5" Glass Plate Holder
Brass 4"x5" glass plate holder w/dark slide
45° mirror bracket
45° mirror bracket
45° Aluminum mirror bracket
A Lens Cell Associated With Old 42" Mirror
A Lens Cell Associated With Old 42" Mirror
Aluminum lens cell associated w/old 42" mirror
Adapter Ring for Ross Blue Corrector
Adapter Ring for Ross Blue Corrector
Ring for Ross Blue corrector on Lamont Hussey
Adjustment knob
Adjustment knob
Keyed-shaft brass adjustment extension knob
KIIP, Delft, Holland, Alter Spiegelgalvanometer
KIIP, Delft, Holland, Alter Spiegelgalvanometer
Device for measuring small variations in low voltage