[posted] Posted (#73652, Bradford) !

[ajhaines]

The whys and wherefores of navigation, by Gershom Bradford                73652
  [Author: Gershom Bradford]
  [Link: https://www.gutenberg.org/ebooks/73652]
  note: link will be active within two hours of posting.

Thanks to Carol Brown, Chris Curnow and the Online Distributed Proofreading
Team at https://www.pgdp.net (This file was produced from images generously
made available by The Internet Archive)

Regards,
Al