sextant; instrument-box; instrument-case | British Museum
Quintant Sextant or Lattice Sextant | U.S. Geological Survey
May | 2009 | The Nautical Sextant
Navigator On Bridge Of Vessel Using A Sextant An Old Navigation Instrument Primary Used To Determine The Angle Between A Celestial Object And The Horizon At Sea. Stock Photo, Picture And Royalty
Vintage Brass Sextant
Amazon.com: Malla Sextant Instrument 9" Brass Sextant with Box | Navigational Sextant | Sextant Working | Vintage Astrolabe Brass Functional Sextant | Gift Sextant with Wooden Box : Sports & Outdoors
Mirror sextant. A doubly reflecting navigation instrument used to measure the angle between any two visible objects. Primary use of a sextant is to determine the angle between an astronomical object and