Devices for aiding astronomers to locate stars and other celesti

Details Devices for aiding astronomers to locate stars and other celesti Devices for aiding astronomers to locate stars and other celesti

1985-12-24

1987-10-27

Grieb, William H.

Education and demonstration

Science

Astronomy

434287, G09B 2706

Patent

active

047027037

ABSTRACT:
A hollow transparent sphere has light reflecting spots formed on its surface in positions corresponding to the actual locations of stars in the night sky. The sphere is illuminated from within so that a viewer looking through the globe sees the spots in the same relative locations as stars in the background sky behind the globe. An equatorial band may be marked to correspond to nearby landmarks as an aid to an orientation of the globe.

REFERENCES:
patent: 949348 (1910-02-01), Baker
patent: 1853059 (1932-04-01), Johnson
patent: 2515401 (1950-07-01), Dupler
Popular Science, Jan. 1944, p. 91, ("By Peering . . . ").
Farquhar, "Earth in Space", Globe, 2 pages.

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