Astronomie
1 Rechengeräte in der Astronomie
2 Bildergalerie
3 Literatur
Patente:
- Patent:GB190814008 01.07.1909 Edward Ayearst Reeves :
An Astronomical Compass and Time Indicator - Patent:GB146545 09.08.1918 Baker, Thomas Yeomans :
Navigation machine for determination of position from astronomical observations - Patent:GB119255 03.10.1918 Koffskey, George :
Improvements in Calculating Instruments for Nautical Astronomy - Patent:GB130930 14.08.1919 Thurburn, Theodore Hugh :
Improvements in or relating to Means or Apparatus suitable for use in solving Problems in Nautical Astronomy, Navigation and spherical triangles - Patent:GB146613 12.07.1920 Toshiichi, Arimitsu :
Improvements in and relating to apparatus for use in solving nautical problems or plane and spherical trigonometry
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