A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Bill Lionheart
Date: 2016 Feb 20, 04:01 -0800
There is a Japanese sextant on ebay http://www.ebay.co.uk/itm/Japanese-Tamaya-Sextant-serial-number-715-/291687942883?hash=item43e9f4cae3:g:TdsAAOSwe7BWt6Kh
I am intregued about the large triangualr box like structure near the horizon mirror. I wondered if it was some kind of artificial horizon?