The Duodecimal Bulletin

Editor: Ralph Beard

Contents:

• A Duodecimal Notation with Commercial and Scientific Tables | Horatio W. Hallwright, B.Sc.A. (page 1_z)
  • Some of the Advantages of the Proposed Duodecimal System (page 2_z)
  • The Structure of the Duodecimal Tables (page 3_z)
  • Duodecimal Table of Length (page 4_z)
  • Intermediate Units (page 4_z)
  • Duodecimal Table of Area (page 4_z)
  • Duodecimal Table of Volume (page 4_z)
  • Duodecimal Table of Capacity: Liquid Measure or Dry Measure (page 5_z)
  • Duodecimal Table of Weight, replacing Troy, Apothecary and Avoirdupois Tables (page 5_z)
  • Duodecimal Money page 5_z)
  • Duodecimal Table of Time (page 6_z)
• Roman Dumerals | Brother Louis Frances, F.M.S. [alias Eugene Zirkel] (page 7_z)
• The Annual Meeting (page A_z)
• Dozenal Arithmocrypt (page 10_z)
• The Official Seal (page 11_z)
• We Are Doing Well (page 12_z)
• Doremic System of Measure and Weights | H. C. Churchman (page 13_z)
  • Introduction (page 13_z)
  • Preliminary Problem (page 14_z)
  • An Estimate of the Situation (page 15_z)
  • Metric Terms (page 16_z)
  • Our Own Difficulties (page 16_z)
  • Doremic Terms (page 17_z)
  • Length (page 18_z)
    • Table: Dimension (f) Symbol for Measures of Length (page 19_z)
  • Liquid (page 19_z)
    • Table: Bulk Liquids (g) Symbol for Measures of Volume (page 1A_z)
    • Table: Precious Liquids (n) Symbol for Measures of Volume (page 1A_z)
  • Mass (page 1A_z)
    • Table: Avoirdupois (#) Symbol for Measures of Weight (page 1B_z)
  • Transforming Denominate Numbers (page 1B_z)
    • Table: Doremic Measures of Length (page 20_z)
    • Table: Doremic Measures of Surface (page 20_z)
    • Table: Doremic Measures of Capacity (page 20_z)
• The Mail Bag (page 23_z)
  • Horatio E. Hallwright (page 23_z)
  • Douze, Notre Dix Futur | Jean Essig (page 23_z)
  • Henry C. Churchman (page 23_z)
  • Visit from Ridgewood (NJ) High School Duodecimal Mathematical Society (page 23_z)
  • Jamison Handy, Jr, editor Dozenal Doings (page 24_z)
  • Problems in Mathematical Education | Educational Testing Service (page 24_z)
  • Student talent search: Sidney Rautbort, Glen Miles, Jay Anderson (page 24_z)
  • Walter Measday: dozenal reference in Winston Churchill's A History of the English Speaking Peoples (page 24_z)
• Counting in Dozens (page 26_z)