15 media by topic ∙ page 1 of 1
On test - exchangers, furnace headers, bubblecap assemblies ; 200-squa...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Studies and tests are continuous on bubble-towers, exchangers, fired-h...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Culverts. Elmsford cut-and-cover. View showing drop inlet manhole with...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
