00307nam a22001217a 4500008004100000082001800041110001300059245004100072260002700113300001400140365001000154650002100164200219b           ||||| |||| 00| 0 eng d00a623.82bH6779  aH. M.S.O10aNaval electrical manual 1928,  Vol-1  aLondonbH.M.S.O.c1950  axii,811p.  d15.12 0aNaval Electrical