[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 323
EOEXT APPLICATIONS. 321 enabling the deflections to be made dead beat.In the Edelmann type, shown in Fig. 16, themirror is attached to a bell magnet moving in amass of copper ; by removing this mass of copperthe instrument is made ballistic, thus making ituseful for measurements of condenser… … Fig. 17. Fig. 17 is one of four or five resistance boxes ofthis series. The instrument shown in the cut is acombination Wheatstone bridge and resistance set,having 12 coils in the resistance portion aggrega-ting 1,100 ohms, and bridge arms of 10,000 and1.000 ohms on a side, thus giving a range…
Electricity
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