Practical Telephone Handbook And Guide to the Telephone Exchange
Practical Telephone Handbook And Guide to the Telephone Exchange
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In our eReader you can find the full English version of the book. Read Practical Telephone Handbook And Guide to the Telephone Exchange 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 Practical Telephone Handbook And Guide to the Telephone Exchange
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To quickly assess the difficulty of the text, read a short excerpt:
Single- shed insulators have only one inverted cup. It will be seen that a great length of surface is opposed to the leakage between the wire (which is fastened in the groove) and the bolt. The screw arrangement shown allows of the insulator being taken apart from the bolt, when in position, for the purpose of cleaning out the inside or to Fig. 182.
change the position of the wires on the Scale j.
poles. An india-rubber ring, put over the screw, is used to allow for the difference in expansion ...by heat between the iron and the porcelain.
The wire is placed against one side of the groove and is then bound to the insulator by two lengths of i8's soft copper- wire, in the manner shown in Fig. 183, the Digitized by VjOOQ IC 204 PRACTICAL TELEPHONE HANDBOOK, binding wire being first wrapped round the line wire in order to prevent injury from the continual friction against the insulator. The wires are then whipped round the line from B to E, thence back to D ; then from the upper side of the line wire round the neck of the insulator to the under side of the line at C, back over the first layer to B, and then finished off" as a single layer to A.
What to read after Practical Telephone Handbook And Guide to the Telephone Exchange?
You can find similar books in the "Read Also" column, or choose other free books by J Poole to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Single- shed insulators have only one inverted cup. It will be seen that a great length of surface is opposed to the leakage between the wire (which is fastened in the groove) and the bolt. The screw arrangement shown allows of the insulator being taken apart from the bolt, when in position, for the purpose of cleaning out the inside or to Fig. 182.
change the position of the wires on the Scale j.
poles. An india-rubber ring, put over the screw, is used to allow for the difference in expansion ...by heat between the iron and the porcelain.
The wire is placed against one side of the groove and is then bound to the insulator by two lengths of i8's soft copper- wire, in the manner shown in Fig. 183, the Digitized by VjOOQ IC 204 PRACTICAL TELEPHONE HANDBOOK, binding wire being first wrapped round the line wire in order to prevent injury from the continual friction against the insulator. The wires are then whipped round the line from B to E, thence back to D ; then from the upper side of the line wire round the neck of the insulator to the under side of the line at C, back over the first layer to B, and then finished off" as a single layer to A.
What to read after Practical Telephone Handbook And Guide to the Telephone Exchange?
You can find similar books in the "Read Also" column, or choose other free books by J Poole to read onlineMoreLess
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