Is this the Spitz planetarium in Hamilton? [JRASC 53,149]
Mounting the camera body at Meanook Meteor Observatory, 1952 [JRASC 53,15].
The Ottawa Meridian Circle [JRASC 53,264].
JRASC 52,255
L to R: A.A. Griffin, G.A. Brealey, J.M. Grant, H.E. Cook, J. Pare, A. Page, P.M. Millman. [JRASC 53,15]
The rear shell in place, showing the film holder mounted at the centre fo the shell.
A completed shell mounted as the front optical element in a Super-Schmidt meteor camera.
Glass blanks for the hemispherical shells seen in the Perkin-Elmer shops after preliminary rough grinding.
Above, Geminid meteor; Below, sporadic meteor; photographed at Meanook (Dominion Observatory, Ottawa, Canada, #5693.
Sketch showing displacement of meteor from its spectrum (Dominion Observatory, Ottawa, Canada, #5689).