Cyclopedia of Telephony & Telegraphy Vol. 1
Cyclopedia of Telephony & Telegraphy Vol. 1
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In our eReader you can find the full English version of the book. Read Cyclopedia of Telephony & Telegraphy Vol. 1 Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Cyclopedia of Telephony & Telegraphy Vol. 1
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_, the second one ineach disk, is always shallow, as are all of the other notches exceptone. A deep notch is placed on each disk anywhere from the third tothe next to the last on the segment. This deep notch is called the_selective notch_, and it is the one that allows of contact being madewith the ringer circuit of that station when the pawl _6_ drops intoit. The position of this notch differs on all of the segments on aline, and obviously, therefore, the ringer circuit at any station maybe cl...osed to the exclusion of all the others by stepping all of thesegments in unison until the deep notch on the segment of the desiredstation lies opposite to the pawl _6_, which will permit the rockerarm _2_ to swing so far to the left as to close not only the circuitbetween _2_ and _4_, but also between _2_, _4_, and _5_. In thisposition the talking and the ringing circuits are both closed.
The position of the deepest notch, _i. E. _, the selective notch, on thecircumference of the segment at any station depends upon the number ofthat station; thus, the segment of Station 4 will have a deep notch inthe sixth position; the segment for Station 9 will have a deep notchin the eleventh position; the segment for any station will have a deepnotch in the position corresponding to the number of that station plustwo.
What to read after Cyclopedia of Telephony & Telegraphy Vol. 1?
You can find similar books in the "Read Also" column, or choose other free books by Mcmeen Samuel to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
_, the second one ineach disk, is always shallow, as are all of the other notches exceptone. A deep notch is placed on each disk anywhere from the third tothe next to the last on the segment. This deep notch is called the_selective notch_, and it is the one that allows of contact being madewith the ringer circuit of that station when the pawl _6_ drops intoit. The position of this notch differs on all of the segments on aline, and obviously, therefore, the ringer circuit at any station maybe cl...osed to the exclusion of all the others by stepping all of thesegments in unison until the deep notch on the segment of the desiredstation lies opposite to the pawl _6_, which will permit the rockerarm _2_ to swing so far to the left as to close not only the circuitbetween _2_ and _4_, but also between _2_, _4_, and _5_. In thisposition the talking and the ringing circuits are both closed.
The position of the deepest notch, _i. E. _, the selective notch, on thecircumference of the segment at any station depends upon the number ofthat station; thus, the segment of Station 4 will have a deep notch inthe sixth position; the segment for Station 9 will have a deep notchin the eleventh position; the segment for any station will have a deepnotch in the position corresponding to the number of that station plustwo.
What to read after Cyclopedia of Telephony & Telegraphy Vol. 1?
You can find similar books in the "Read Also" column, or choose other free books by Mcmeen Samuel to read onlineMoreLess
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