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1918 Western Electric CW-930 Carbon Microphone |
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single-button carbon microphone was made by Western Electric during the
WW-I period for use with their radiotelephone systems such as the
CW-936. As the leading telephone manufacturer of the day, the
influence of telephone technology was obvious, and some of the parts
are, in fact, identical to those used in their candlestick phones.
The primary differences are the lack of a base, and the push-to-talk
button on the side.
The transmitter (microphone) element inside was
a standard type 326W telephone unit. The CW-929 horn loudspeaker and the CW-969 antenna switch were part of the same radio system. |
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