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Search results: 5 matches found for 1830
  1. Anaesthetic — 2023-10-04 16:27:18
    …place="Bathgate, [[Scotland]]" death_date="6/5/1870" death_place="Edinburgh" }} Chloroform was first synthesized around 1830. In 1842 Robert Mortimer Glover discovered its anaesthetic properties on animals. Simpson was the first to demonstrate …
  2. Electric Motor — 2023-09-23 15:52:02
    …er device. Over the next few years several inventors made magnetic rotating devices including Rev. William Ritchie. In 1830, Sturgeon produced a vastly improved form of battery – known as the amalgamated zinc battery which had a longer batte…
  3. Blood transfusion — 2021-08-10 08:28:02
    …e patient's husband, Blundell extracted four ounces of blood from his arm to transfuse into his wife. Between 1825 and 1830, Blundell performed 10 transfusions, five of which were beneficial, and published his results. He also invented a numbe…
  4. Lawn Mower — 2021-08-10 08:19:36
    …ut the lawn on sports grounds and expansive gardens as a superior alternative to the scythe. His patent of **25 October 1830** described //"a new combination and application of machinery for the purpose of cropping or shearing the vegetable sur…
  5. Wellington Boot — 2021-08-09 21:58:54
    …nt ‘trench foot’. == Leader == The Duke was twice British prime minister as leader of the Tory party from 1828 to 1830, and again in 1834.…

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