he forthcoming international regu- be used in this connection. Copper wires 0.1 milli- tem, were termed "tension multiplier." The experi- lation of space telegraphy, the question of a suitable meter in thickness, comprising a single silk winding .or menter also found that the increase in. the… … est a b 1 i s h i n g a sion in the two •jSU! TioUej iiMndiEg. The Buffer Trolley descending. monopolar connec- latter points being tion between two absolutely identl- AUSTRALIAN COUNTERWEIGHTED TRAMWAY.
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![An illustration from Telephones and telegraphs: 1902 : [and Municipal electric fire alarm and police patrol systems] (1906)](https://img.insideoutlibrary.com/img/200/ia-cu31924022817674-74-29.webp)
