Telephones, Their Construction And Fitting; a Practical Treatise On the Fitting-Up And Maintenance of Telephones And the Auxiliary Apparatus
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In our eReader you can find the full English version of the book. Read Telephones, Their Construction And Fitting; a Practical Treatise On the Fitting-Up And Maintenance of Telephones And the Auxiliary Apparatus 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 Telephones, Their Construction And Fitting; a Practical Treatise On the Fitting-Up And Maintenance of Telephones And the Auxiliary Apparatus
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59 consists of a Morse key-board, with two hooks at the bottom, these two hooks forming the automatic switch. A separate bell is re- quired with the instrument, which can be fixed above or at any other convenient place. The receiver, which in this instru- COMPLETE INSTRUMENTS.
75 ment is also the transmitter, hangs on the two hooks at the bottom, the metal suspension ring connecting them together, which' thus short circuits the receiver and obviates the neces- sity of ringing through the high r...esistance of its coil. Any form of receiver can be used with the instrument, a "watch" being show in the figure. The ringing is effected by pressing Fig. 59. Fig. 60.
Telephone Instruments with Magnetic TransmittetB.
the button of the key, and to speak the receiver is lifted off the hooks, thus throwing it into circuit. Another very con- venient form is shown in Fig. 60, the working and connections of which are similar. The external connections of both these instruments are shown in the diagrams of connections at the end 76 telephones: theie construction and fitting.
What to read after Telephones, Their Construction And Fitting; a Practical Treatise On the Fitting-Up And Maintenance of Telephones And the Auxiliary Apparatus?
You can find similar books in the "Read Also" column, or choose other free books by Frederick Charles Allsop to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
59 consists of a Morse key-board, with two hooks at the bottom, these two hooks forming the automatic switch. A separate bell is re- quired with the instrument, which can be fixed above or at any other convenient place. The receiver, which in this instru- COMPLETE INSTRUMENTS.
75 ment is also the transmitter, hangs on the two hooks at the bottom, the metal suspension ring connecting them together, which' thus short circuits the receiver and obviates the neces- sity of ringing through the high r...esistance of its coil. Any form of receiver can be used with the instrument, a "watch" being show in the figure. The ringing is effected by pressing Fig. 59. Fig. 60.
Telephone Instruments with Magnetic TransmittetB.
the button of the key, and to speak the receiver is lifted off the hooks, thus throwing it into circuit. Another very con- venient form is shown in Fig. 60, the working and connections of which are similar. The external connections of both these instruments are shown in the diagrams of connections at the end 76 telephones: theie construction and fitting.
What to read after Telephones, Their Construction And Fitting; a Practical Treatise On the Fitting-Up And Maintenance of Telephones And the Auxiliary Apparatus?
You can find similar books in the "Read Also" column, or choose other free books by Frederick Charles Allsop to read onlineMoreLess
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