UNT Libraries Government Documents Department - 2 Matching Results

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Cabinet
Patent for a phonograph cabinet which has specialized storage for records with a built in cataloging and record finding system composed of letters running horizontally across the cabinet and numbers on a sliding strip which when put together with a letter will indicate the position of the record.
Tank-Valve.
Patent for a tank valve, which prevents leakage and can be used as a tank or trough valve.
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