Polar axis ready to raise to pier, Dominion Astrophysical Observatory
Aerial view of the Dominion Astrophysical Observatory
Dominion Astrophysical Observatory in winter
Hauling the polar axis to the Dominion Astrophysical Observatory
Resting the horses from hauling the polar axis to the Dominion Astrophysical Observatory
Building frame around [telescope] pier, Dominion Astrophysical Observatory
Dominion Astrophysical Observatory, wall sealed with telescope inside
Raising the polar axis on stacked four-by-fours, Dominion Astrophysical Observatory
Cross pieces added to the polar axis, Dominion Astrophysical Observatory
Dr Plaskett with completed telescope, Dominion Astrophysical Observatory