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1917 Hawkins Electrical Guide - Titlepage.jpg

Nehemiah Hawkins (1833January 1928) was an American inventor, publisher and author (pen name Theodore Audel). He wrote (or commissioned and published under his own name) many of the popular Audel's Guides [1] popular with engineers and craftsmen and published by Theodore Audel & Company of New York. [2][3]

The content of his books published prior to 1923 is now in the Public Domain.



According to one source, his (US) patents include:

  • #85930 (19 January 1869) for "Improvement in construction of elevator-buckets",
  • #156,421 for "Improvement in bucket-elevators" (3 November 1874),
  • #172,247 (28 March 1876) for "Improvement in coal-hods"
  • #372,467 (1 November 1887) for "Binder" -- a way of putting together books,
  • #234,868 (3 November 1880) for "Screw conveyor."


  • N Hawkins, Hawkins Indicator Catechism. A Practical Treatise for the Use of Erecting and Operating Engineers, Superintendents, Students of Steam Engineering, Etc. 1903 hardcover.
  • Hawkins and Staff, Hawkins Electrical Guide Number One. New York: Theo. Audel and Company, 1917

See also


  1. ^
  2. ^
  3. ^ Open Libarary bibliography


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