This image is released under a Spectroscope apparatus for Solar spectrum research
Prismatic apparatus for photographic researches on the solar spectrum. Consists of 2 glass prisms in mount, large objective glass lens and long, hooped framework and vertical bracket for paper scale. Used by John Herschel in his investigations of the solar spectrum's affects on photosensitive material using a waterfilled prim (See note)
- Measurements:
-
apparatus: 165 mm x 915 mm x 115 mm, Wt. 2.52kg
fabric cover: 65 mm x 240 mm x 200 mm, ,
- Materials:
- mahogany (wood) , copper (alloy) , brass (copper, zinc alloy) , glass , paper (fibre product) , sisal (fibre) and cotton (textile)
- Object Number:
- 1876-565/1
- type:
- spectrograph and prism - optical
