BW79/13/1/11
"Bradford Canal Crag End - Pumping Engine. Proposed New Valve and Alteration of Valve Face"
Sectional elevation of ports into cylinder and section through steam chest. Annotated "Tracing sent to C. Bateman 27th April 1894" and "Half full size".
April 1894
BW79/13/1/11
1 sheet