Fonds consists of photographic materials. 10,188 photographs, ca 1880-1930, depict the construction of bridges in different Canadian provinces; and include an album with a photomechanical reproduction of an 1855 sketch entitled "View from Barrack Hill Looking Down the Ottawa," and forty-four photographs, 1898-1928, taken in Ottawa, Toronto, Montreal, Cornwall and New York City. 15,290 photographs, 1882-1969, arranged by the company in albums and folders, are portraits, group and individual, formal and informal, of officers and employees of the Company; views of the Lachine plant (both interior and exterior), plants in Toronto, Winnipeg, Robb Engineering (Amherst, N.S.) and, to a lesser extent, of the plants in Vancouver, Edmonton, Calgary, Sault Ste. Marie and Ottawa; construction of bridges from Vancouver to Cape Breton, from 1886-1968; wartime plant and fabrication, including shell shops during World War I and World War II; parts of ships and the assembly of Park ships at Lachine; moveable bridges; albums detailing individual buildings built during the Nineteen Sixties, for internal and promotional purposes; product views, including structural shop views, platework products condensers, structures (site views), hundreds of unidentified negatives of the Lachine plant during World War II; identified views, taken by A.W.C. Richards, predominant 1964-1968, of Montreal and vicinity, including the construction of Expo 67; colour slides of Expo 67; lantern slides depicting munitions production during World War I; duplicates of materials found elsewhere in the fonds; charts, plans, etc.. 138 glass lantern slides, ca. 1890-1955, consist of views of the interior of the Lachine plant, including detailed views of many of the shops; views of bridges, various buildings (commercial, public, residential, factories, warehouses, etc.), towers, and other steel structural shop views, platework products, condensers, boilers and other material; views of wartime plant and fabrication, including shell shops during World War I and World War II, building of parts of ships and the assembly of Park ships at Lachine, building of moveable bridges, and other war material; wiews of charts, plans, tables, etc., used by the Company; with photographs by Associated Screen News, Gladwish & Mitchell, Dominion Bridge Co.. 19,800 photographs, ca. 1900-ca. 1960, depict construction projects of the Dominion Bridge Company across Canada, including photos of construction in general and of uses of Dominion Bridge equipment, buildings, and bridges. 146 photographs, ca. 1900-ca. 1970, predominant 1960-1970, are large mounted photographs used for display, exhibition, advertising and publications purposes by the Dominion Bridge Company Limited. Included are a number of views of buildings, bridges, and other structures from across Canada, and dating from about the turn of the century. These images are not thought to be available in other parts of the collection. 89 photographs, 1902-1967, predominant 1960-1965, depict various American bridges and street scenes, and prints of some of the above, and the Jacques Cartier Bridge, Lion's Gate, Coteau, Alexandria, Niagara, and Orleans bridges; artists' conception of a suspended bridge at Quebec; Dominion Bridge projects, primarily in Montreal during the 1960s, including: aerial views of Place des Arts under construction; Bell Telephone Building; Royal Bank Building; Montreal Children's Hospital; Mercier Bridge; Montreal Western Hospital; Montreal General Hospital; Jacques Cartier Bridge; Laurentian Hotel; also included are views of the Saskatchewan Power Corporation Building, Regina; the Peterborough Lift Lock (1904); two views of the Chateau Frontenac, Quebec City, under construction (1921); and several unidentified views; Red River railroad bascule bridge (Winnipeg, ca. 1910); Pacific Centre (Vancouver); views of the terrain around Robb Engineering works (Truro, N.S.); a nuclear reactor core; microwave tower; mining conveyor device; boilers; and a number of unidentified views; Board of Directors (?), Dominion Bridge Company Limited; the television transmission mast, Mount Royal (Montreal); the Pacific Centre (Vancouver); pouring molten metal at Algoma Steel (Sault Ste Marie). 513 photographs and one colour lithograph, ca 1913-1971, include four volumes illustrated by photographs: L'aspect esthétique des approches des ponts et tunnels; the English version entitled Aesthetics of bridges and tunnels; Pont proposé entre la rive nord et la rive sud du Saint-Laurent, près des villes de Québec et de Lévis; Public assembly buildings, AISC portfolio 2, various American stadia; and loose photographs consisting of Phoenix Bridge Co. tests of composite beams for the St. Lawrence Bridge Co., 1913; aerial views of the Sun Life building and Queen Elizabeth hotel, Montreal, under construction; "Katimavik" - Expo '67; interior of Dominion Bridge Co. drafting office, Lachine, 1945; Manitoba Bridge and Engineering, Winnipeg, 1955, aerial view of Regina, Sask., showing Legislature, ca. 1960; branch of Riverside Iron & Engineering Works Ltd., Calgary, Alta., showing products; Port Stanley Bascule Bridge, 1938-1939; Kalamazoo Vegetable Parchment Co. Sulphite Mill & Tubular Conveyor, Sudbury, Ont., 1945; O'Keefe Breweries alterations, 1945-1946, Toronto, Ont.; erection of transmission towers, Churchill Falls, Labrador, ca. 1965; positives of various bridges and structures; copy negatives of the same, and various places across Canada, 1920s-1950s; various structures and equipment such as digesters being installed in various locations across Canada, 1920s-1950s; work crew at the portal of an unidentified bridge, possibly the Saint John Bridge, N.B.; aerial view of St. Lawrence River between Quebec City and Lévis; photograph of Pie IX Bridge, Montreal, and painting made from it, used for Christmas card by the Company; presentation of a radio by D.A. Chamberlain to Mr. Dicerni, ca. 1971; views of the Pie IX Bridge, Montreal, 1937; Yonge Boulevard Bridge, Hoggs Hollow; Rosedale Golf Club Bridge, November 1946; Pic River Suspension Bridge; and the failure of the Niagara Honeymoon Bridge.
Fonds also consists of textual material, divided into eight series: Letter patent and minutes; Administration, finance and employees; Publications and history; Standards and instruction; Contract books and projects; Publicity and advertising; Plant and subsidiaries, correspondence and other material; Reference and oversize, Dominion Bridge Christmas cards and clippings.
Fonds also contains architectural and technical drawings, sound recordings, moving images, and graphic material documenting the work and history of Dominion Bridge Company.
Fonds also consists of the film CANADIAN INGLIS BRIDGE TRIALS.