Got this because of my interest in Navigation.
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Thomas L Thurlow
2173142 Optical system for sextants and the like, Burka Samuel M, Thurlow Thomas L, Sep 19, 1939, 356/249, 33/348.2, 33/348 -
2266741 Panoramic sextant, Burka Samuel M, Crane Carl J, Thurlow Thomas L, Dec 23, 1941, 356/147, 359/401 -
2304129 Multiple bubble sextant or other altitude measuring device, Thomas L Thurlow, Dec 8, 1942, 33/268, 33/351, 33/381, 33/282, D10/66 -
2384507 Observation instrument, Thurlow Thomas L, Sep 11, 1945, 356/148, 74/810.1 -
2395921 Horizontal reference means for sextants and the like, T. L. Thurlow, Alma Lois Thurlow, Mar 5, 1946, 356/249 -
Bausch & Lomb
A-8
1674550 Liquid Level, Franklin L Hunt, Karl H Beij, Bausch and Lomb Inc, 1928-06-19, 33/380; 33/390 -
1703705 Means for determining altitude, Karl H Beij, Bausch and Lomb Inc, 1929-02-26, 356/148; 362/23.01 -
2306874 Liquid level, Edward F Flint, Bausch and Lomb Inc, 1942-12-29, 33/380; 33/390 -
General:
1885428 Liquid level, George B Gallasch, Bausch and Lomb Inc, 1932-11-01, 33/390 - temp compensated bubble for use in aircraft sextants
2080851 Sextant, George B Gallasch, Henry F Kurtz, Bausch and Lomb Inc, 1937-05-18, 33/348; 33/268 - aircraft patent is about night lighting, A-8?
2257233 Recording instrument, George B Gallasch, Bausch and Lomb Inc, 1941-09-30, 346/2; 346/124 - aircraft Sextant A-8?
2306874 Liquid level, Edward F Flint, Bausch and Lomb Inc, 1942-12-29, 33/380; 33/390 -
2344241 Illuminated bubble level, Edward F Flint, Bausch and Lomb Inc, 1944-03-14, 33/348.2; 362/84; 362/576; 33/348; 33/390 -
2366016 Optical instrument, Edward F Flint, Bausch and Lomb Inc, 1944-12-26, 356/143; 356/147 - aircraft sextant
2385978 Optical instrument, Edward F Flint, Bausch and Lomb Inc, 1945-10-02, 356/148 - aircraft sextant
2406211 Bubble cell, Edward F Flint, Bausch and Lomb Inc,1946-08-20, 33/380; 33/390 - aircraft sextantOther
1337912 Sextant, Alexander Hughes Henry, Yeomans Baker Thomas, Apr 20, 1920, 356/146 -
1651014 Sextant, Cogshall Wilbur A, Nov 29, 1927, 356/149, 356/250, 33/268 -
2220884 Sextant, Burka Samuel M, Crane Carl J, Nov 12, 1940, 356/149 -
2238032 Direct reading sextant, Burka Samuel M, Crane Carl J, Apr 15, 1941, 356/143 -
2276284 Drift meter, Samuel M Burka, Carl J Crane, Mar 17, 1942, 356/150, 33/232 -
2313734 Temperature compensated bubble for panoramic sextants, Samuel M Burka, Carl J Crane, Mar 16, 1943, 33/315, 33/379, 219/201, 33/348 -
2418264 Driftmeter, Joseph R James, Keyzer-Andre Rene, John E Norman, Apr 1, 1947, 356/150, 359/668 -
2505819 Panoramic sextant having stabilized reticle, Walter Wrigley, Sperry Corp, May 2, 1950, 356/149, 359/428, 359/429, 359/401, 359/737, 359/725, 359/557 -
2579903 Periscopic sextant, Carbonara Victor E, Kollsman Instr Corp, Dec 25, 1951, 356/149, 356/140, 359/402 -
Aircraft - Link Sextant & Celestial Navigation trainers
Navigation
Mk II Astro Compass
MD-1 Automatic Astro Compass
MIL-S-5807A Sextant, Aircraft, Periscopic, Kollsman Instrument Corporation, MS part no. MS 28011-1
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