A text-book of physics : with sections on the application of physics to physiology and medicine (1902)
Lehfeldt, Robert Alfred, 1868-1927 · London : E. Arnold · leaf 256
ce of apparatus, suchas Neefs hammer, shownin Fig. 89. The primarycurrent is led in by a ter-minal on the brass pillar awhich carries a steel spring,goes thence through thescrew Sj to the induction V£v^_jllJv^yKcoil pc ; sx is screwed downtill it just touches thespring, and to ensure the contacts… … Fig. 89. 246 ELECTRO-MAGNETISM armature of the spring v. It does so as soon as the current passes,but in doing so it breaks the circuit and the current stops : theelectromagnet then ceases to act, the spring rises again, andthe circuit is remade. Thus make and break succeed each otherautomatically,…
Physics
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
