Lock. 1767 by John Grundy. Red brick, limestone ashlar dressings, wood and cast iron. Lock chamber walls of 4 concave brick sections on either side with timber posts, now partially intact and exposed, in between.
Location map of Alvingham Lock and Inverted Syphon Tf 365909, Alvingham, England. Click to enlarge.
Aerial view of Alvingham Lock and Inverted Syphon Tf 365909, Alvingham, England. Click to enlarge.
