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1866
1
Bunn’s Esquimaux Refrigerator
1
Hoffman’s Annular Oven
1
Jacob’s Safety Gas Valve
1
Jones’s Bench Vise
1
June 16
1
Low’s Shingle and Barrel-head Sawing Machine
1
Patents
1
Recent American Patents
1
Research Subject Categories::HUMANITIES and RELIGION::History and philosophy subjects::History subjects::Agricultural history
1
Research Subject Categories::HUMANITIES and RELIGION::History and philosophy subjects::History subjects::Economic history
1
Research Subject Categories::HUMANITIES and RELIGION::History and philosophy subjects::History subjects::History
1
Research Subject Categories::HUMANITIES and RELIGION::History and philosophy subjects::History subjects::History of medicine
1
Research Subject Categories::HUMANITIES and RELIGION::History and philosophy subjects::History subjects::History of science and ideas
1
Research Subject Categories::HUMANITIES and RELIGION::History and philosophy subjects::History subjects::History of technology and industry
1
Research Subject Categories::NATURAL SCIENCES::Chemistry
1
Research Subject Categories::NATURAL SCIENCES::Physics
1
The Manufacture of Taps for Cast and Wrought Iron
1
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