Tech Model Railroad Club
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What links here
Strowger switch
Nonblocking minimal spanning switch
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Epsom
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Strowger
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Almon Brown Strowger
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Emergency telephone number
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JOSS
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El Dorado, Kansas
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La Porte, Indiana
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Remote concentrator
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South East England
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Type B Cipher Machine
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Crossbar switch
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Pulse dialing
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Direct distance dialing
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Common control
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1889
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Telephone
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Switch
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Relay
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March 10
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Communications in Gibraltar
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