000			00314nam a2200121Ia 4500
999			_c3382 _d3382
008			200103s 1940 ||||xx |||||||||||||| ||und||
082			_a623.873 _bHAR
100			_aSpring, Harry
245		0	_aBoiler Operator's Guide
260			_bMcGraw-Hill Book Company _c1940 _aNew York
300			_a353p.
942			_cBK