Mark 15 Sextant. #026.;This model has many great features including seven large sunshades, a 3 mm x 27 mm star scope, and easy-to-read micrometer drum vernier scale that reads to 2/10 of a minute.;The Mark 15 has a 7 (18 cm) frame radius graduated from 120to -5and comes with a traditional half-silvered mirror.;Comes with instruction booklet.

• DAVIS MARK 15 MASTER SEXTANT

DAVIS MARK 15 MASTER SEXTANTDavis Instruments