In Fig- May 5, 2008 In Fig. 185 is shown exactly the same arrangement, with the exception that the talking apparatus illustrated in detail at Station A is that of the Kellogg Switchboard and Supply Company. Otherwise the circuits of the Dean and the Kellogg Company, and in fact of all the other companies manufacturing harmonic ringing systems, are the ...http://developerlive.info/in-fig/ Series and Multiple Connections- May 2, 2008 Series and Multiple Connections. When a number of voltaic cells are joined in series, the positive pole of one being connected to the negative pole of the next one, and so on throughout the series, the _electromotive forces_ of all the cells are added, and the electromotive force of the group, therefore, becomes the sum ...http://developerlive.info/series-and-multiple-connections/ |