Fiducial-ray Cobalt-glass and ocular
This image is released under a CC BY-NC-SA 4.0 Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseSMG00031339
Science Museum Group
© The Board of Trustees of the Science Museum
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.
