Photo-engraving from a photograph of sun spots

Photo-engraving from a photograph of sun spots, taken by Warren de La Rue with a 13-inch equatorially mounted reflector at his observatory at Cranford, Middlesex.

Details

Category:
Astronomy
Object Number:
1876-939
Materials:
paper
type:
engraving, sun and sunspots
credit:
Mr Warren De la Rue