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Dozenal Society of America
Promoting base twelve and alternative base mathematics
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The Dozenal Society of America
The DSA is a voluntary, nonprofit education corporation, organized for the conduct of research and education of the public in the use of dozenal (also called duodecimal or base-twelve) in calculations, mathematics, weights and measures, and other branches of pure and applied science.

The Duodecimal Bulletin

◀️ Issue: Whole Number 40z (48d) | Vol. 24z (28d) No. 1 | Year 1185z (1973d) ▶️



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Editor: Henry Churchman

Contents:

  • Annual Meeting of 1972
  • Simple Transmutation
  • Navinaut for All | Lawrence Boythorn
  • Intelligence Items
  • “Pythagorean Triplets” | Shaun Ferguson
  • Memo to Members
  • Principle of Uniformity | Grosvenor Bond
  • Duodecimal Land Areas | Gower N. Euston
  • Speed of Light Per Flash | A Quatrain
  • Ride, Bert, Ride | Egbert Pardiggle
  • Editorial: Good Old Days |
  • Motorcycle Operators | Westhourn Grove
  • A Fable, Perhaps, but History Is Silent | John Jarndyce
  • Three Markets | Henry C. Churchman
    • Dozenal Julian dates
  • A Citation for Public Service: Bell Telephone
  • Counting in Dozens