00473cam a22001331  4500082001500000110001600015245003900031250001200070260002800082300001900110490012500129526003700254650004800291  a621.3bHIR1 aA. W. HIRST10aApplied electricity.bHIRST A. W.   a3RD ED.  a[Jefferson City]c1956.  a398 p.billus.0 aMissouri at work on the public school curriculum. Industrial arts series. (Department of Education. Publication no. 19.)  a0b0c0d621_300000000000000_HIR 0aElectrical engineeringxStudy and teaching.