Patent:GB140441

Patent:	GB 140441
Titel:	A machine for solving spherical triangles
Datum:	28.04.1921
Ort:
Land:	Großbritannien
Person:	Le Sort, Henri Thomas Marie (P)
Firma:
Links im Rechnerlexikon:
Schlagworte:	Trigonometrie
Link zum Patentamt: (ohne Garantie)	GB140441

Aus der Patentschrift GB140441

"Spherical-trigonometry calculators.-More particularly for finding the position of a ship at sea, comprises means for calculating, according to Towson's method, i.e.. solving the pole-zenithstar triangle by the means of solving the rightangled triangles formed by dropping a perpendicular from the star upon the meridian, the altitude and azimuth of the observed star from the known data latitude, declination, and hour-angle. ..."

DATUM: 28.04.1921
TITEL: A machine for solving spherical triangles, more particularly for finding the position of a ship at sea
PERSON: HENRI THOMAS MARIE LE SORT

Rechnerlexikon

Patent:GB140441