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ORIGINAL PRINTED PATENT APPLICATION NUMBER 23,802 FOR IMPROVEMENTS IN AUDIBLE ELECTRIC SIGNALLING DEVICES AND THE LIKE. (1909)....(THE INVENTOR LIVED IN SATLEY, BIRMINGHAM, UK).

ORIGINAL PRINTED PATENT APPLICATION NUMBER 23,802 FOR IMPROVEMENTS IN AUDIBLE ELECTRIC SIGNALLING DEVICES AND THE LIKE. (1909)....(THE INVENTOR LIVED IN SATLEY, BIRMINGHAM, UK).

Thomas Stanley. (inventor). Roger