ScientificAmerican1919-03-15.jpg Scientific American 1919-02-15ThumbnailsScientific American 1919-03-29Scientific American 1919-02-15ThumbnailsScientific American 1919-03-29Scientific American 1919-02-15ThumbnailsScientific American 1919-03-29Scientific American 1919-02-15ThumbnailsScientific American 1919-03-29
Cutting through the tangled ruins of war with the oxy-acetylene torch.