004020000a22001450004500060000800000082001400008100002100022100002000043245005200063250000600115260004400121260000900165300000800174650007400182  a100  a604.2 FRE  aFrench, Thomas E  aSvensen, Carl L  aMechanical drawing: a text with problem layouts  a6  aNew york, Mcgraw- Hill Book Company Inc  c1957  a557  aMechanical drawing/ welding drawings/ air craft drawing/ map drafting