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John K Beard

Male


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   Date  Event(s)
1834 
  • 1834: Jacob Perkins invents an early refrigerator (really an ether ice machine).
  • 1834: Henry Blair patents a corn planter, he is the second black person to receive a U.S. patent.
1835 
  • 1835: Englishmen, Francis Pettit Smith invents the propeller.
  • 1835: Englishmen, Henry F. Talbot invents Calotype photography.
  • 1835: Solymon Merrick patents the wrench.
  • 1835: Charles Babbage invents a mechanical calculator.