The Duodecimal Bulletin

is an official publication of The Dozenal Society of America, Inc.
Editorial Office:
5106 Hampton Avenue
Suite 205
Saint Louis, MO 63109-3115

Michael De Vlieger, Editor

Index Links:

About the Bulletin

Archive Index

Pictorial Synopses:
011-00 to 043-0E
051-10 to 0E2-1E
101-20 to 152-2E
161-30 to 230-3E
240-40 to 293-4E
2X1-50 to 313-5E
314-60 to 352-6E
361-70 to 3E2-7E
401-80 to 452-8E
461-90 to 4E2-9E
501-X0 to 552-XE

About the Archive

The Duodecimal Bulletin Pictorial Index

Whole Numbers 40; (four dozen) through 4E; (four dozen eleven)

Back issues between 1185; (1973.) and 1194; (1984.) are currently available as web optimized PDF documents. The years between 1186; (1974.) and 1190; (1980.) represent a prolonged hiatus. Click on the icon of the magazine to view a PDF of the corresponding issue.

Click here for more information about the pictorial archive (Please scroll to the bottom of the destination page).

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240-40 (1973)
Julian dates on cover,
Discussions of the
“navinaut”, dozenal
distances and time

251-41 (1974)
The Bell (*, #) numerals
replace the “classic”,
“Hawaii” temperature

261-42 (1981)
Malone’s “Simple
Approach to Dozenal”
Minutes 1974, 1975

271-43 (1982)
Schiffman’s Group
theoretic application
of number 12,
Minutes 1976, 1977

272-44 (1982)
G. Zirkel’s symbols
article, DSA meeting
in the national news

273-45 (1982)
“Symbols - a Plea for
Unity”,“Dozen Properties
of Twelve”,
Minutes 1978, 1979

281-46 (1983)
“How Do You Pronounce
32?”, Bagley’s
“Deserved Oblivion”

282-47 (1983)
K. Camp Obituary,
Calendar Reform,
“Who We Are”:
Anton Glaser

283-48 (1983)
Trigg’s “Cyclic Duodecimal
Integers”, G. Zirkel’s
Unambiguous notation,
“Axiological Analysis”

291-49 (1984)
Duodecimal primes,
“Who We Are”:
Robert McPherson

292-4X (1984)
Precision in converting
fractions, Newhall’s
dozenal essay, “Who”:
Dr. Angelo Scordato

293-4E (1984)
Bulletin Index Vols. 24-29

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The Aging and Floundering of a Beautiful Idea

The last issue of the “classic” phase of the Duodecimal Bulletin, edited by Henry Clarence Churchman, is published in 1974. It replaces the “classical” transdecimal numerals crafted by William Addison Dwiggins with the “Bell” numerals inspired by the touch tone telephone characters * and #.

The Hiatus

The Duodecimal Bulletin enters a six year unplanned hiatus wherein two of the Founders (Messrs. Beard and F. Emerson Andrews) and an active President Tom Linton pass away. At one point, mentioned in Vol. 26; No. 1 Page 4, the DSA considered scrapping its Bulletin and combining dozenal publication with the Dozenal Society of Great Britain.

A Second Generation: the DSA Renaissance

Editor Dr. Patricia Zirkel’s Volume 26; No. 1 represents the relaunching of the Duodecimal Bulletin under a “new generation” of American organized dozenalists. Over the next dozen issues, the proceedings of the Society during the hiatus years are recapped. This “second generation” of Society leaders, more academic than their predecessors, breathes new life and vigor in the organization and its Bulletin. In nothing short of a renaissance, the Society forges connections with mathematics journals and organizations. The Bulletin becomes a peer-reviewed journal. The Society finds a new home at Nassau Community College, complete with a Duodecimal Library dedicated to F. Emerson Andrews, a founder of the DSA. Reporter Irene Virag visits the 1982 Annual Meeting, her report appears in print across the nation, in the Toronto Star and others, and on Los Angeles radio, the publicity netting new Members. Prof. Jay Schiffman pens number theoretical essays revolving around the special number twelve. Prof. Gene Zirkel explores symbology, how we write dozenal numbers. Some articles yet press against the SI-metric system, but the focus of the new generation lies somewhat more serenely on the qualities and mathematics of the dozen. The Society explores its own Members in the “Who We Are” series. All caught up, the DSA returns to a vibrancy it last saw long before the hiatus, and the Duodecimal Bulletin begins more than two dozen years of strong and steady publication heretofore unseen. Continue »

This page revised Saturday 3 September 2011.