
Introduction | page 59 | https://thedailydialectics.com/pdfs/tesla/Introduction/Introduction.pdf
33. ALTERNATIVE SHAPE : AN OCTAGON The central hole is made with a hole-saw or it can be cut out on a lathe. Grind the steel disks until they are bright and clean, just before putting them in the mould for resin casting. Remove any grease with spirits. Magnet blocks There are 8 magnet blocks on…