000 003460000a22001330004500
245 _aPractical geometry and engineering graphics : a text book for engineering students
100 _aAbbott, W.
250 _a5th ed.
260 _aLondon
_bBlackie
_c1951
300 _a326p. : ill.
080 _a621.7:744
_bA2
041 _aEN
942 _cBK
999 _c94992
_d94992