This photo is similar to the one published in JRASC v.53, pp.17, which is captioned:

The Newbrook Meteor Observatory looking south. This shows the enlarged observatory as photographed from the radio-communications tower. The glass cupola is used for visual observing in cold weather. A tri-camera spectrograph mount can be seen on the far side of the observatory building.

Further Reading: The Meanook-Newbrook Meteor Observatories, JRASC, Vol.53, p.15 (February 1959).

Newbrook Observatory