FR689813A -
Theodolite with device for taking photographs of the two positions of the graduated locating circle to determine the paths of movement of bodies and particularly those of bodies which move in the air, such as airplanes, airships, etc.
- Google Patents
Theodolite with device for taking photographs of the two positions of the graduated locating circle to determine the paths of movement of bodies and particularly those of bodies which move in the air, such as airplanes, airships, etc.
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Askania Werke AG
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Askania Werke AG
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Publication of FR689813ApublicationCriticalpatent/FR689813A/en
G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
G01C1/00—Measuring angles
G01C1/02—Theodolites
Landscapes
Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
General Physics & Mathematics
(AREA)
Radar, Positioning & Navigation
(AREA)
Remote Sensing
(AREA)
FR689813D1929-06-241930-02-12
Theodolite with device for taking photographs of the two positions of the graduated locating circle to determine the paths of movement of bodies and particularly those of bodies which move in the air, such as airplanes, airships, etc.
ExpiredFR689813A
(en)
Theodolite with device for taking photographs of the two positions of the graduated locating circle to determine the paths of movement of bodies and particularly those of bodies which move in the air, such as airplanes, airships, etc.
Theodolite with device for taking photographs of the two positions of the graduated locating circle to determine the paths of movement of bodies and particularly those of bodies which move in the air, such as airplanes, airships, etc.
Compass automatically giving without reference the direction and speed of a moving body moving in a fluid and simultaneously the direction and speed of said fluid