00000nam 2200000 4500 INLIS000000000018799 20241213020554 0010-1224000170 ta 241213################g##########0#eng## 0-408-00078-3 620.004.2 620.004.2 JON p Jones, E.J.H. Production Engineering Jig and Tool Design / E.J.H.Jones London : Newnes-Butterworths, 1972 289 hlm. : ilus. ; 23 cm mesin The reception of the book by the engineering industry and technical colleges was such that, from the first pyblication to the present day, seven editions were produced and some new chapters were added. Nevertheless, it was realised that, valuable as most of the material still is, for basic principles change but litle, engineering development has proceeded so rapidly that both designer and manufaturer are faced with problems unknown a few years ago. 17167