ces of it, are two copper plates it down to the baseboard. At the top is a brass running along its whole length. Hach plate is terminal serving the double purpose of holding secured to the Cylinder by two screws, one of one end of the secondary Coil and one discharg- which passes through to one… … on turning the Cylinder and bringing the plates Fie. 16. intoa horizontal position provided with insulating handles to protect the the springs will be operator from shock. When a separate in- brought into contact with the plates. strument is desirable, Henley’s Discharger may be used. It consists…
Stamps and stamp collecting · Fretworking and inlaying · Venetian ribbon or bent iron work · Photographic notes of the week · Hobbies that pay · Playgrounds of electrical science - the induction coil - how to make and use it · Notes on cycling and sport · Bazaars and the arrangement of side shows · The magic lantern · Weekly presentation deign · Correspondence · Prize competitions
Internet Archive · Public domain (published before 1931). Free to use for anything.
