00390nam a2200145Ia 4500008004100000082001700041100002000058245002200078250000600100260004000106300000800146650003800154650003400192653001800226170901s1952    xx            000 0 und d  a621.75bP92W  aHoughton, P. S. 0aWorkshop Practice  a9  aBombaybAsia Publishing Housec1952  a739  aEngineering and allied operations  aTechnology (Applied sciences)  aMachine shops