[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 177
againstthe top stop when freed. Adjust the screws in the anvil so that the arma-ture will have \ of an inch play between them, andat its lowest point the soft iron piece will be £% ofan inch from the ends of the magnet, and yoursounder will be ready for work, that is to say,whenever you put a… … TELEGRAPH KEY. ..-*. oo
Electricity
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