Report On the International Exhibition of Electricity Held At Paris, August to November, 1881
Report On the International Exhibition of Electricity Held At Paris, August to November, 1881
United States. Army. Corps of Engineers
The book Report On the International Exhibition of Electricity Held At Paris, August to November, 1881 was written by author United States. Army. Corps of Engineers Here you can read free online of Report On the International Exhibition of Electricity Held At Paris, August to November, 1881 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Report On the International Exhibition of Electricity Held At Paris, August to November, 1881 a good or bad book?
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218. It has two handles, so as to be turned by hand or by the foot as desired. The indicator-dial is placed horizontally on the square transmitter-case. 231 Signs are transmitted by turning the handle at a speed of about one hun- dred revolutions per minute, pressing down at the same time with the finger the key of the dial corresponding to the sign or letter to be indicated and resting on it until the pointer stops opposite to it. All the keys of the letters which form the message are successi...vely pressed. Care should be taken not to turn the handle in a contrary direction, as it will come off and no signs be transmitted. The letters thus telegraphed will be indicated, at all the stations in the circuit, by the pointers of the indicators. The coupling of both of these instruments jyith the line is very simple. One of the two brass terminals at the back of the instrument is to be con- nected to the line-wire joining the two stations, the other to a good earth. The instruments are then ready for immediate use.
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