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Photograph of men and women air force personnel marching outdoors on what is likely a military base under a cloud filled sky. A man in uniform is seen standing in salute at left.

Three Air Observer’s half-wing badges, also known as ‘O’ badges, that were issued to Cameron Hill by the Royal Canadian Air Force during the Second World War.

File consists of two air photographs from the Air Photo Division, Energy, Mines & Resources, Canadian Government (two of copies each). Photographs are numbered A13472-204 and A13472-205; locations not identified. File also includes a map traced from one of the photographs.

Contains compound sheets with a list of the materials used for the compound and the total cost of the compound.

Contains compound sheets with a list of the materials used for the compound and the total cost of the compound.

File consists of two transparencies of the Electrohome electrostatic air cleaner and one transparency of mountain scenery.

File consists of material relating to the EF-3 electrostatic air cleaner and the Springaire electronic air cleaner. Includes four photographs (plus duplicates), two copy negatives, one transparency, one slide, and three copies of a single-sheet advertisement. Some of the photographs are composite images. File also includes a composite photograph of the AC2500 and AC3300 air conditioners.

File consists of incoming and outgoing correspondence regarding electrostatic air purifiers, including inquiries from potential customers in response to an news article. File also includes memoranda, draft and final versions of news releases, copies of a product fact sheet, press clippings, and a drawing of the layout for an instruction booklet.

File consists of plans for the Airewood model house by N.O. Hipel Ltd. (Preston, Ontario).