Fiducial-ray Cobalt-glass and ocular
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Fiducial-ray Cobalt-glass and ocular, in wooden box. (See note). Used by Sir John F.W. Herschel in his researches
Details
- Category:
- Optics
- Object Number:
- 1876-567
- Materials:
- wood (unidentified), copper (alloy), brass (copper, zinc alloy), glass, paper (fibre product), cardboard, sealing wax and cotton (fibre)
- Measurements:
-
fiducial glass with mount: 5 mm x 65 mm x 62 mm, ,
box: 34 mm x 115 mm x 83 mm, ,
overall weight: x x , , .085kg
- type:
- fiducial-ray ocular
- credit:
- Mr. J. Herschel-Shorland.
