f the indi- 16, pawl for holding the driving wheel, W, in its nor- time system, it has proved accurate and in every way cations of the receiving instrument, a toothed sector mal position. 17, 18, pinsin the fork to act upon the is attached to a shaft journaled in the frame of the desirable. incline… … dial removed is represented in Fig. 1. The armature, 11, being attracted by magnet, M’, brings:the spring, 9, in The apparatus thus described ap- _ pears on the front of the .base plate Fig. 1—TELEMETER SYSTEM—THE TRANSMITTER. contact with the: serew,.7, dividing beneath the glass of the case. The…
Internet Archive · Public domain (published before 1931). Free to use for anything.
![An illustration from Telephones and telegraphs: 1902 : [and Municipal electric fire alarm and police patrol systems] (1906)](https://img.insideoutlibrary.com/img/200/ia-cu31924022817674-156-43.webp)
