Gorrie's Fridge - An early pioneer in the invention of the artificial manufacture of ice. - http://www.phys.ufl.edu/~ihas/gorrie/fridge.htm
Life of John Fitch - The inventor of the steam boat. Full text of thus 1857 publication by Thompson Westcott. - http://www.history.rochester.edu/steam/westcott/
Ephraimshay.com - Features transcriptions of diary entries that pertain to the making of his invention, the Shay locamotive engine. Page includes related resource links. - http://www.ephraimshay.com/
Denk, Robert - The inventor of the tubeless radio used an unknown solid-state effect, which was never rediscovered. - http://www.benduhn.homepage.t-online.de/denk/summary.html
Martin, Horace G. - Created a semi-automatic key to help prevent the development of telegrapher paralysis, created by the daily abuse of manipulating a manual machine key. Page includes history of the man and the spread of this invention across the United States. - http://www.telegraph-history.org/horace-g-martin/