[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 193
left hanging out. Nowshellac this wire all around and neatly put on a layerof stout paper and shellac. For the secondary oroutside coil, use No. 26 or 30 double-covered wire;put on about eight layers and fasten to the oppo-site end of the spool in the same manner as the first.Bring the terminals,… … 192 ELECTRICITY AND ITS The next object is the circuit-breaker, which ismade from a piece of soft Norway iron ; turn itwith a shoulder as shown in Fig. 2. Make twowashers—Fig 3—out of fiber or hard rubber,slightly counter-boring one to conform to the shoul-der left on the iron core and have thern…
Electricity
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