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hard to find c. 1870's american victorian era silver-plated ornamental cast bronze doorknob complete with original backplate
  • hard to find c. 1870's american victorian era silver-plated ornamental cast bronze doorknob complete with original backplate
  • hard to find c. 1870's american victorian era silver-plated ornamental cast bronze doorknob complete with original backplate
hard to find c. 1870's american victorian era silver-plated ornamental cast bronze doorknob complete with original backplate

hard to find c. 1870's american victorian era silver-plated ornamental cast bronze doorknob complete with original backplate

SKU: UR-12116-11
very unique c. 1870's original silver-plated ornamental bronze residential doorknob complete with fanciful backplate. the intricately designed doorknob contains a banded edge with raised center featuring a deep relief central rosette. the knob was designed by john joseph charles smith for the metallic compression casting co., boston, ma. the design was patented on june 7, 1870. the maker markings are incised on the backside of the doorknob and along the shank. fabricated by the metal compression casting co., boston, ma. very little wear evident. dates to 1870-75. the matching doorknob backplate contains a lightly incised patent date around the thimble or collar. original swinging keyhole cover intact. metallic compression manufactured "house trimmings", such as knobs, hinges, escutcheons, bell pulls, along with dies for printing wall paper, and for bookbinders, and a variety of articles. the inventions of charles and michael smith, introduced with complete success into practical operation by the metallic compression casting company at their foundry in bomerville, near boston, revolutionized metallurgic art, so far as casting is concerned. by employing the patented process developed by smith and mason, metal was taken from the mould, not with a rough surface, as in all the heretofore known modes of casting, but as smooth and perfectly finished as a coin or medal struck by a die. priced for the set.

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