Modern Telephone Engineering
Modern Telephone Engineering
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In our eReader you can find the full English version of the book. Read Modern Telephone Engineering 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 Modern Telephone Engineering
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In thickness.
The next view (Fig. 21) shows the repeating coils of the Pittsburg & Allegheny system, there being one of these coils for each pair of cords in the entire exchange. These coils are iron clad and are enclosed, as shown, in a practically dust- proof cabinet. It is through these coils that the current from the storage battery is led to the various cord circuits, whence it passes to the lines of connected subscribers to furnish talking current.
No single feature of telephone work has ...shown greater advancement than that of outside line construction. In place of the overhead wire, so common a few yeais ago, and still too common, the lines in systems are being placed underground to a greater and greater extent. My next pic- ture (Fig. 22) illustrates a piece of overhead construction, showing lines as they were about to enter the exchange of the old system at St. Louis, Mo. In marked contrast to this, the s FIG. 28. KELLOGG DISTRIBUTING BOARD.
next (Fig. 23) is a picture which shows how the subscribers' lines now enter the exchange building in that same St.
What to read after Modern Telephone Engineering?
You can find similar books in the "Read Also" column, or choose other free books by Kempster Blanchard Miller to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
In thickness.
The next view (Fig. 21) shows the repeating coils of the Pittsburg & Allegheny system, there being one of these coils for each pair of cords in the entire exchange. These coils are iron clad and are enclosed, as shown, in a practically dust- proof cabinet. It is through these coils that the current from the storage battery is led to the various cord circuits, whence it passes to the lines of connected subscribers to furnish talking current.
No single feature of telephone work has ...shown greater advancement than that of outside line construction. In place of the overhead wire, so common a few yeais ago, and still too common, the lines in systems are being placed underground to a greater and greater extent. My next pic- ture (Fig. 22) illustrates a piece of overhead construction, showing lines as they were about to enter the exchange of the old system at St. Louis, Mo. In marked contrast to this, the s FIG. 28. KELLOGG DISTRIBUTING BOARD.
next (Fig. 23) is a picture which shows how the subscribers' lines now enter the exchange building in that same St.
What to read after Modern Telephone Engineering?
You can find similar books in the "Read Also" column, or choose other free books by Kempster Blanchard Miller to read onlineMoreLess
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