P. A. McKercher:
City of Ottawa Workshops
P. A. McKercher:
Black and White
P. A. McKercher:
Friday Afternoon Reprise
P. A. McKercher:
Bureau of Mines Dressing Laboratories
P. A. McKercher:
City of Ottawa Workshops
P. A. McKercher:
Ottawa City Workshops
P. A. McKercher:
Ottawa City Workshops
P. A. McKercher:
City of Ottawa Workshops
P. A. McKercher:
City of Ottawa Workshops
P. A. McKercher:
City of Ottawa Workshops