Cloud Apparatus
Model No. HV-EXP282
For demonstrating the formation of clouds. Consists of aglass bulb with a tube having two openings. To the largeropening is attached a rubber bulb; to the other a rubber tubeand a pinch cock for the introduction of gas. When rubberbulb is filed with water, compressed, and then released, adense cloud will be formed k1 glass bulb..
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