00269nam a2200109Ia 4500100001500000654003500015245003500050260003500085082001900120300000800139546001200147  aGreer/ A.   aMechanical Engg. Craft Studies  aMechanical Engg. Craft Studies  bEdward  Arnold .aLondonc1981  a621.3bGre/How  a228  aENGLISH