Educational visual apparatus

Details Educational visual apparatus Educational visual apparatus

1983-11-14

1985-09-10

Skogquist, Harland S.

Education and demonstration

Science

40408, 434303, G09B 2300

Patent

active

045403686

ABSTRACT:
Optical device comprising a base (14), transparent side wall (12A) and soap bubble (18) formation in arrangement, together with a light source, for viewing light from a source refracted from the bubble and which is supported as an arc from the base and side wall.

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patent: 4257185 (1981-03-01), Tomson
"Ripple Tank Complete", p. 24 of the Project Physics Course, Catalog from Holt, Reinhart and Winston, 9/1972.

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