Brian Carr in the doorframe.

RASC Hamilton Centre 1979_08
Scanned by Colin Haig 2006-03-23 to 2006-04-03
Scanned with Nikon Coolscan V ED.

These slides had a date on the slide mount, 1979 08, for the Marsh building construction at the Hamilton Centre Observatory.
Not sure when actually taken or when developed. Abbreviations: LVP - Leslie V. Powis, the likely photographer based on initials on the slide mounts.

HCO Construction #103