sextants Definition

theodolite, celestial navigation, echo sounder, spyglass, compasses, navigators, cartesian coordinates, breeches buoy, gyrocompass, armillary sphere, periscopes, spectroscope, caravel, retroreflector, zodiacs, sidewheel, sunstone, gradiometer, sundials, spitzbergen, handsaws, global positioning system, astrolabe, bathysphere, adzes, loran, bathyscaphe, needlenose pliers, magnetic compass, gimbals, trireme, inertial navigation system, spectrographic, camera obscura, nathaniel bowditch, tachymeter, vernier, oarlocks, shipwrights, lightship, submergible, lanternfish, bathyscaph, stereopticon, fletching, bateaux, nautical, inertial guidance, maps, altimeters, forepeak, lunar excursion module, binocular microscope, capstan, surfman, whalebone, davits, dropsonde, dowser, magnetic declination, awls, fishhooks, morse code, bosun, stud finder, whaleback, john hanning speke, stereoscopes, radiosonde, dories, windjammer, engineless, andirons, motorless, radiotelephone, mermen, stereographic, lunar module, protractor, datums, philae, lighthouse, longship, portholes, hubble, celestial sphere, centerboard, feluccas, yawl, postholes, huon pine, binnacle, bathymetry, photometry, thimbles, chitons, sonde, scows, circinus, beacons,