Company of Proprietors of the Grand Junction Canal
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Engineering
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Grand Junction Canal Engineer's Office
BW99/9/1/20
"[Tracing of vessel drawings of] proposed dredging plant barge and pontoons"
Showing plan, elevation and three sections. Stamped "Divisional Engineer's Office, Willow Grange".
16 December 1919
BW99/9/1/20
1 sheet