[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 180
ss of paper on the bare iron. This spool is to be wound full of wire. SeeFig. 1. For a case turn up a piece of wood the length ofyour magnet, 3 inches in diameter at the largeend, and 1 inch at the small end, and with a cavity12 178 ELECTRICITY AND IT* in the large end 2 inches in diameter, and |… … Figure i. The lead wires can be taken out of the sides ofthe large end of the case or can be passed throughthe handle and out at the end, as is customary withthe shop made article. The last is of course theneatest way but is not always convenient.
Electricity
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