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File:EB1911 Telegraph - Siemens Polarized Relay.jpg

EB1911_Telegraph_-_Siemens_Polarized_Relay.jpg ‎(328 × 346 pixels, file size: 39 KB, MIME type: image/jpeg)

Description
English: The Siemens polarized relay shown consists of an armature a, pivoted at one end h in a slot at one end N of a permanent magnet m, the other pole s of which is fixed to the yoke y of a horse-shoe electromagnet M. The armature is placed Polarized relays. between the poles of the electromagnet, and being magnetized by the magnet m it will oscillate to the right or left under the action of the poles of the electromagnet M according as the current passes through M in one direction or the other.
Date published 1911
Source Encyclopædia Britannica (11th ed.), v. 26, 1911, “Telegraph,” p. 517, Fig. 19.
Author Harry Robert Kempe (section author)
Permission
(Reusing this file)
Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

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current18:24, 19 February 2016Thumbnail for version as of 18:24, 19 February 2016328 × 346 (39 KB)Library Guy{{Information |Description ={{en|1=The Siemens polarized relay shown consists of an armature ''a'', pivoted at one end ''h'' in a slot at one end N of a permanent magnet ''m'', the other pole ''s'' of which is fixed to the yoke ''y'' of a horse-shoe...
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