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.
240-40
Editor:
Henry Churchman
Associate Editor:
Volume:
24
Issue:
0
Whole Number:
40
Year:
1185
Subject:
Julian dates on cover; Discussions of the “navinaut”; dozenal distances and time
