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no date - device seen at the left of the aquarium maintains temperature of home aquariums about 80 degrees

80 DEGREE AQUARIUM

CD 2478051 E&MP12.022B

Electric Appliances & Apparatus

no date

The latest electrical accomplishment in the field of ichthyology is an automatic heater for tropical fish aquariums developed by the Westinghouse Electric and Manufacturing Company.

The device seen at the left of the aquarium maintains temperature of home aquariums about 80 degrees, the best temperature for tropical fish.  







Original Caption by Science Service
Westinghouse



National Museum of American History

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