Davis Instruments 15 Master Sextant Mark 026. The Mark 15 has a 7 (18 cm) frame radius graduated from 120 degrees to -5 degrees and comes with a traditional half-silvered mirror. Comes with an instruction booklet. Specifications for Davis...
Davis Instruments 15 Master Sextant Mark 026. The Mark 15 has a 7 (18 cm) frame radius graduated from 120 degrees to -5 degrees and comes with a traditional half-silvered mirror. Comes with an instruction booklet. Specifications for Davis...