Glass positive:- Mars and San Jose

Glass positive:- Mars and San Jose, (photographs in light of different colours) W.H. Wright, Lick Observatory, 1924, November 9, 36-inch Reflector, focal length, 210 in, a, c violet; b, d infra-red 8 1/2" x 8 1/2"

Details

Category:
Astronomy
Object Number:
1929-741
Materials:
glass
type:
black-and-white transparencies, astrophotographs, planets and mars
credit:
Science Museum (Great Britain)