Title: Manual on Lock Valves
Description: A manual compiled by the Committee on lock valves, Waterways Division, of the American Society of Civil Engineers containing illustrations and direction on the planning, construction, operation, and maintenance of canal lock valves.
Subjects: Erie Canal, canal locks, canal lock, canal, waterway, technology, maritime technology, transportation, transportation history, transit history, transit, water based transport, hydraulic, hydraulic pumps, water movement, water control, flood control, urban planning, engineering, civil engineering, city planning, Lake Ontario, Lake Erie, Welland Ship Canal, Lake Welland Ship Canal, New York State Barge Canal, Panama Canal, Black Rock Lock, The Locks of the Division of Locks and Waterways of the State of Illinois, St. Mary's Falls Canal, Harbor Lock at Chemulpo, Monongahela River Locks, Tennessee River, Tennessee River Lock, Wilson Lock, Dominion of Canada, pneumatics, hydraulics, water gates, canal history, Locks (Hydraulic engineering)
Places: Seattle, Illinois, Rochester New York, Rochester, Keokuk Iowa, Iowa, Korea, Chemulpo, New Orleans, Louisiana, Michigan, Ohio, Ontario Canada, Canada, Ontario
Time periods: 1930