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
http://www.dozenal.org/drupal/sites_bck/default/files/DuodecimalBulletinIssue240-web_0.pdf