[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 198
tenthem all together at the end protruding out of thetube by binding a wire around them about J^-in. 196 ELECTRICITY AND ITS from the end and then dip them in the meltedsolder up to the binding wire. Push the wirethrough the tube till they protrude out as much asthey did on the other end and repeat… … Figure 7, A. hole about ^-in. through the centre, next drill and tap a hole ^-in. in the centre of the core and fastenthe knob on and the core is complete. To fastenthe coil to the board, cut a groove in it of aboutys-in. deep and to conform to the diameter of thespool ends. Cut two strips of ^-in.…
Electricity
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