Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 20
l rod or heavy wire which will gothrough the glass tube and hammer one end flat for abouthalf an inch from the end. The thinner and flatter it ismade the better. INTRODUCTION TO STATIC ELECTRICITY 21 Insert wire in tube so that the flattened end is aboutone-third the way down the jar when cork is… … Mi Fig. 4. Gold Leaf Electroscope. Hold ball up against tube and turn it upside down,pouring shellac varnish into the tube till it is filled. Givethe cork a coat of shellac* also. When dry the metal rod will be cemented in the tubeand the tube into the cork. Give outside of glass rod, the cork, the…
Electricity
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