Two photograph mounted together of an 18inch Coelostat

Made:
1921-1931 in Canberra
photographer:
Sir Howard Grubb, Parsons and Company

Two photograph mounted together of an 18inch Coelostat, made for the Canberra Observatory, New South Wales by Sir Howard Grubb, Parsons & Company at their optical works in Newcastle-on-Tyne, England.

Details

Category:
Astronomy
Object Number:
1931-915
Materials:
paper, card and incomplete
type:
black-and-white prints (photographs), ancillary instruments, astronomical instruments, heliostats (astronomical) and coelostats
credit:
Siemens Power Generation Limited