000 00413nam a22001817a 4500
015 _a1499
080 _a515
_bDES
100 _aTracy, J.C.
100 _aNorth, H.B
245 _aDescriptive Geometry I & II
260 _a J. Wiley
_bN.Y.
_c1914
300 _a 126p.
_bFig.
852 _a1L2-1
999 _c795
_d795