[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 321
Recalibration should beresorted to at short periods until you find that the RECENT APPLICATIONS. 319 controlling magnet has settled to the strengthwhere it is going to stay. In the accompanying cuts are illustrated anumber of electrical testing and measuring instru-ments for the use of schools and… … Fig. 15. required of them in keeping up and at the head ofinvestigation, while, at the same time, attemptingto give elementary instruction. As a consequenceeach year more of this elementary work is rele-gated to the high schools and preparatory institu- 320 ELECTRICITY AND ITS tions. Most of these…
Electricity
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