Three black and white photographic prints of William Hamilton Merritt. The first is his portrait, and the second and third pictures show him pointing out over the Welland Canal. Undated.
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…