ScientificAmerican1919-03-15.jpg Scientific American 1902-03-15ThumbnailsSwift's Pride Cleanser -1911AScientific American 1902-03-15ThumbnailsSwift's Pride Cleanser -1911AScientific American 1902-03-15ThumbnailsSwift's Pride Cleanser -1911AScientific American 1902-03-15ThumbnailsSwift's Pride Cleanser -1911A
Cutting through the tangled ruins of war with the oxy-acetylene torch.