000			004050000a22001450004500
008			180910t1956 xxu||||| |||| 00| 0 eng d
041			_aeng
080			_a621.7:744 _bA2
942			_cBK
100			_aAbbott, W.
245			_aPractical geometry and engineering graphics : _ba textbook for engineering and other students
250			_a6th ed.
260			_aLondon _bBlackie _c1956
300			_a366p. : ill.
999			_c52842 _d52842