9 ON THE EDITOR’S BENCH Dave Clark’s commentary. 10 HOW TO MAKE A FILING MACHINE Harold Hall makes a useful machine. 16 HOW TO MACHININE CASTINGS Harold Hall makes a small Vee Angle Plate from castings. 21 EDGE & CENTRE FINDING Michael Christiaens looks at work setting. 26 A BEGINNERS GUIDE TO WORKSHOP MATERIALS Dave Fenner looks at various materials the home engineer might come across. 32 FIRST STEPS IN 3D DESIGN Linton wedlock concludes this series with a look at Sterograms. 38 3 MORSE TAPER TO 3C COLLET ADAPTOR A project for manual or CNC lathes. 42 PHEONIX BATTERY DRILLS Martin Gearing gives old drills a new lease of life. 46 ENGINEERING MEASUREMENT Dave Fenner looks at accuracy in the home workshop. 55 RESURRECTING A COLCHESTER CHIPMASTER LATHE Jim Perry brings an aging Chipmaster back to life. 62 SCRIBE A LINE Letters from readers.