Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 74
inFig. 26. There will be a burr on both sides of the hole inthe card as if the material were pulled out from the cardon both sides at the same time. ELECTRICAL MACHINES 75 Example 3. A fine wire melted as shown in Fig. 27. Example 4. When an electrical machine is actuated inthe dark, accompanying… … Fig. 27. Melting a Wire with a Battery of Leyden Jars. the machine, just beyond the striking distance of a spark,one of these brushes will reach for the object so pre-sented. The brush discharge consists of a short stalk,from which spreads, a shape not unlike a palm leaf fan,consisting of rays…
Electricity
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