Device for producing aesthetic effects

Details Device for producing aesthetic effects Device for producing aesthetic effects

1975-11-24

1978-04-25

Michell, Robert W.

Card, picture, or sign exhibiting

Display device with gas or liquid movement

40427, G09F 1324

Patent

active

040855333

ABSTRACT:
The specification describes a device for producing aesthetic effects, more particularly light effects, with at least one partly transparent or transluscent and preferably closed vessel. The vessel contains at least two liquids of different density which are not completely and not permanently miscible with each other. In the order of increasing density at least three liquids A, B, C with the following principal or sole components are employed:

REFERENCES:
patent: 2453178 (1948-11-01), Abramson
patent: 3392466 (1968-07-01), Lo Giudice
patent: 3564740 (1971-02-01), Calfee
patent: 3570156 (1971-03-01), Walker
patent: 3613264 (1971-10-01), Vitka et al.
patent: 3629958 (1971-12-01), Olson
patent: 3703332 (1972-11-01), Taylor
patent: 3964194 (1976-06-01), Gugeler

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