00398nam a2200121   4500008004100000082001700041100002200058245010200080250001200182260004100194300001800235650002300253191217b           ||||| |||| 00| 0 eng d00a604.2bS7641  aSpooner, Henry J.10aMachine Drawing and Design  for Beginners: An Introductory Work for the Use of Technical Students  a2nd ed.  aLondonbLongmans Green and Co.c1948  axviii, 266 p. 0aMechanical Drawing