TY - BOOK AU - Garrard,Charles C. TI - Electric switch and controlling gear: A handbook on the design, manufacture and use of switchgear and switchboards in central stations, factories and mines T2 - Electrician series U1 - 621.317 PY - 1927/// CY - London PB - Benn Brothers Limited KW - Electric switchgear KW - MCE N1 - 0; 0; 0; 621_317000000000000_GAR ER -