Black and white photograph of Lock 4 of the Welland Canal showing the power station and surge tank, c. 1930s. From the booklet "Souvenir views of Welland Ship Canal" by the Photogelatine Engraving Company.
Black and white photograph of Lock 3 of the Welland Canal, as seen from a ship looking south to Bridge 5, c. 1930s. From the booklet "Souvenir views of Welland Ship Canal" by the Photogelatine Engraving Company.
Black and white photograph of Lock 2 of the Welland Canal as seen from a ship, c. 1930s. From the booklet "Souvenir views of Welland Ship Canal" by the Photogelatine Engraving Company.
Black and white photograph of Lock 1, the Lake Ontario entrance to the Welland Canal, c. 1930s. From the booklet "Souvenir views of Welland Ship Canal" by the Photogelatine Engraving Company.
Black and white photograph of the S.S. Northumberland in Lock 1 of the Welland Canal, c. 1930s. From the booklet "Souvenir views of Welland Ship Canal" by the Photogelatine Engraving Company.
Black and white halftone photograph showing the concrete protection to banks, during fourth Welland Canal construction, c. 1920. From the booklet "Welland Ship Canal (Under Construction)" by the Department of Railways and Canals.
Black and white halftone photograph of the interior of the filling culvert in the west wall of Lock 1, during fourth Welland Canal construction, c. 1920. Size is 14 ft. x 16 1/2 ft. From the booklet "Welland Ship Canal (Under Construction)" by the…
Black and white halftone photograph of Lock 2 during fourth Welland Canal construction, c. 1920. From the booklet "Welland Ship Canal (Under Construction)" by the Department of Railways and Canals.
Black and white halftone photograph of the west wall of Lock 1 during fourth Welland Canal construction, c. 1920. 34 feet yet to be built is shown as a dotted illustration. From the booklet "Welland Ship Canal (Under Construction)" by the Department…
Black and white halftone photograph of a reinforced concrete entrance wall at Lock 1 being backfilled, during fourth Welland Canal construction, c. 1920. From the booklet "Welland Ship Canal (Under Construction)" by the Department of Railways and…