ORIGINAL PATENT APPLICATION NUMBER 5502 FOR IMPROVEMENTS IN OR RELATING TO ELECTRICAL SWITCHES. (COVENTRY). book download

ORIGINAL PATENT APPLICATION NUMBER 5502 FOR IMPROVEMENTS IN OR RELATING TO ELECTRICAL SWITCHES. (COVENTRY). Edwin and Coventry Watch Movement Manufacturing Co. Limited. Bolton

Edwin and Coventry Watch Movement Manufacturing Co. Limited. Bolton

Download ORIGINAL PATENT APPLICATION NUMBER 5502 FOR IMPROVEMENTS IN OR RELATING TO ELECTRICAL SWITCHES. (COVENTRY).