Historical Engineering Plans

A collection of detailed engineering diagrams and plans for various historical construction projects, featuring mechanical structures and waterworks designs.

Continuous electric furnace No. 1 at the Development Division of the U.S. Chemical Warfare Service in Cleveland, Ohio. The furnace is being charged as part of the development process. The photograph captures the tower leads, steam supply, steam entry, condensate discharging device, and discharge panel. Taken on February 6, 1919.
Continuous electric furnace No. 1 at the Development Division of the U.S. Chemical Warfare Service in Cleveland, Ohio. The furnace is being charged as part of the development process. The photograph captures the tower leads, steam supply, steam entry, condensate discharging device, and discharge panel. Taken on February 6, 1919.