002850000a22001210004500060000800000082002300008100002000031245002500051260004500076260000900121300000800130650002500138  a100  a621.394 024 63 BRO  aBrown, Robert H  aFarm electrification  aNew York, Mc Graw- Hill Book Company Inc  c1956  a367  aFarm electrification