Design and performance of magnets in the automatic telephone (1912)
Hays, Don Llewelyn, Thvedt, Christian Bernhard · leaf 28
en,too, it is found that the switch will n0t w0rk. Tnis, to agreat extent, is due t0 to the residual magnetism 0f the o0re 0fthe magnets, provided that the operation 0f the switch is satis- factory, however, it would seem preferable and more eoonomioal toadjust for a 3horter period of make than of… … Figure 3.Eleotrioal Connections(GreerO BL thumb sorews for adjusting armature to any desired height f0r various sizes 0f magnets.«M« Balance Soales with whioh t0 weigh pan and oontents »T» §i!SS i0.11?1?^ra5° firmly to table or benoh.1 Sorew wnioh threads with nuts IT t0 adiust lengthof air gap 2.…
Electromagnets · Telephone, Automatic · Theses
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