72 inch reflecting telescope, Victoria, British Columbia, Canada, 1920.
© Science Museum / Science & Society Picture Library
Photograph of the 72 inch reflecting telescope at the Dominion Astrophysical Observatory at Victoria, British Columbia in Canada. Built by the American company of Warner & Swasey Ltd the telescope was completed in 1917. In this view the large spectrograph, at the bottom end of the skeletal telescope, is set up for photographing spectra.