Device for simulating the movements of and representing rotation symmetrical bodies

A device for simulating the movements of and representing rotation symmetrical bodies, such as planets, particularly for use in planetaria, comprising a reflecting member centrally inserted between two illumination systems. The reflecting member is provided with two reflecting faces carrying a step...

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Bibliographische Detailangaben
Hauptverfasser:	KUEHN, GEBHARD
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR ADVERTISING APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CINEMATOGRAPHY CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES ELECTROGRAPHY GLOBES HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS PLANETARIA SEALS
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