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Early regenerative receiver with one valve
Some time before the nineteen-twenties began there already were experimental radio broadcasts in the United States. Westinghouse began their own radio station KDKA in Pittsburgh in late 1920 and in 1921 Westinghouse produced their first consumer radio: the Aeriola Junior, a crystal receiver. The price of this set was $25. In December 1921 the Aeriola Senior was introduced: a regenerative receiver with one valve that sold for $69. This radio was more sensitive and made it possible to receive more (distant) stations.
The early version had silver coloured metal dials beneath the knobs. This set was made in 1923 and has black dials. The case is made of mahogany (in the first models this was poplar); the valve is a 11 bright emitter.
In 1922 the customer could also purchase a matching two-tube amplifier, the Aeriola Senior Amplifier, and loudspeaker, so that single-user headphones could be placed aside, and the whole family could listen at the same time.
Two simple batteries, 1.5 Volts for the filament and 22.5 Volts for the plates, a headset and an aerial + ground are enough to operate the radio.
Data Valves
Serial number:  
Dimensions (whd): 17,8 21,6 18,4 cm
Made in: 1923
Purchased in: 2006
Click on a valve for more information

Circuit

What was broadcast in 1923?

 

Listen to "The Dicty Blues" by Fletcher Henderson and his orchestra, recorded August 9, 1923

Top view
Inside
Advertisement for the Westinghouse Aeriola, 1921 Listening to the Aeriola sr. on a garden swing
A family listening to an Aeriola sr. on the cover of Popular Wireless, June 3, 1922.

This page was last edited on 28.04.2019