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Part Number:
(TEL)
TA182/U
Product Details: Kellogg Switchboard & Supply of Chicago 20 Hz vibrator type ringing generator made in 1953 and stored safely away in a government warehouse until we bought them. What a find. 110 vdc input generates a 65v, 20 cycle, 50ma signal that will ring any telephone. Naturally this is a vibrating inverter style. 2" x 2-7/8"H x 3-3/8"W. Four corner mounting studs. Four insulated I/O terminals on bottom. Hermetically sealed. Make your own telephone company. Great kids project. 110vdc input easily made by rectifying AC, add a filter cap and go.
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