In 1864, after the channeling machine had been in use at Sutherland Falls Quarry for a year, its inventor, George Jeffards Wardwell began soliciting orders for his machine from other quarries. It was ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This stone channeling machine model ...
If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...
Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...
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