Series contains copies of 237 photographs depicting Curtiss Aviation School aircraft and personnel, Toronto, Ontario, 1915; Canadian Air Board aircraft, personnel, and operations: Camp Borden, Rockliffe, Sioux Lookout, Whitney, Ontario, 1920-1922; Ontario Provincial Air Service aircraft, personnel, and operations, Sault Ste-Marie, Ontario, 1921-1924; and Canadian private aircraft, 1926-1936. Four photographs, 1917, depict Royal Flying Corps training activities; views of Camp Borden, Ontario, and Texas. Copies of 27 photographs, 1932-1939, depict civil and commercial aircraft in Quebec and Ontario. Five photographs, 1932-1939, depict Fleet and Fairchild aircraft in Ontario and Quebec. Eleven photographs, 1933-1972, are views of Rouyn, Riviére-du-Loup, Quebec; Sir John A. Macdonald's summer residence, St. Patrick, Quebec; goelettes at Notre-Dame-du-Portage, Quebec; and boys at Ashbury College, Ottawa, Ontario.
Series also contains copies of 21 photographs, 1935-1945, depict commercial and private aircraft in Canada. Sixty-three photographs depict the Royal Naval Review, Spithead, England, 1937; vintage automobiles and motorcycles; C.N.R. locomotives; tanks and armoured cars, Canadian Army Museum, Camp Borden, Ontario, 1959. One photograph, ca. 1940-ca. 1945, depicts and attendance display board used by the Canadian Car and Foundry Co. Ltd. in either the Fort William, Ontario, or Montreal (Turcot), Quebec, plants. Ten photographs, 1972-1973, depict Canadian civil aircraft at Toronto Hamilton, and Parry Sound, Ontario. Five photographs, 1983, depict American aviation AA1B CF-HHK, Beech 3NM C-FBCF, Minicab GY20 C-GNFC, Sonerai I C-GD01 and Zenith CH150 C-GCGW aircraft, Orillia, Ont., photographed by Kenneth M. Molson. Fourteen photographs, 1973, are views of Kamouraska, Percé Rock, and along the Gaspé coast, Quebec, photographed by Kenneth M. Molson. One photograph, 1976, depicts the former summer home of Sir John A. Macdonald, St. Patrick, Quebec, photographed by Kenneth M. Molson.