ctric printing telegraph will thus give THE BERLIN PRINTING-TELEGRAPH CENTRAL It is thus possible to include both kinds of conductors STATION. in the same cable. A small electrometer, driven by BY DR. ALFRED GRADENWITZ. the accumulator battery, will at the same time wind On October 1 a most… … places. The central station just opened in Berlin the shift-key the typewheel is displaced automat: TWO GROUP SWITCHES. is used in addition to the mutual communication ically on its shaft, so as to bring the circular rows of signs mentioned, above the printing surface of the between the…
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