. The Street railway journal . cially in Switzerland for his work. It starts outfrom the city power plant at Coulouvreniere, from whichcurrent is taken under conditions that will be touched upon power house, central for the whole system, being 10 The cables for the work have been furnished by theSociete DExploitation des Cables Electriques (SystemeBerthoud, Borel & Cre), Cortaillod, Switzerland. Fromthe power plant to the big manhole, each way out, thereare three cables on each side of 700,000 circ. mils each, andthen smaller cables lead off for each line, according to thedemand. To s
. The Street railway journal . cially in Switzerland for his work. It starts outfrom the city power plant at Coulouvreniere, from whichcurrent is taken under conditions that will be touched upon power house, central for the whole system, being 10 The cables for the work have been furnished by theSociete DExploitation des Cables Electriques (SystemeBerthoud, Borel & Cre), Cortaillod, Switzerland. Fromthe power plant to the big manhole, each way out, thereare three cables on each side of 700,000 circ. mils each, andthen smaller cables lead off for each line, according to thedemand. To start up the first cars, some 12 km of 500,000circ. mil cable had been drawn in at the time these noteswere made, in the early part of the summer. In addition August 4, 1900.] STREET RAILWAY JOURNAL 699 to this there is a four-circuit telephone cable cut at eachmanhole, so that from those points communication can behad immediately with the power plant, office or car line construction may be said to follow American. MAP OF GENEVA, SHOWING THE TRAMWAY SYSTEM practise in general so far as relates to the pole line, etc., andmuch of the material has been supplied by Robert & Company, Ltd., of London ; while some ex-cellent insulating pieces used are from the Societe Fran- two flat slabs of iron, drawn and welded at the same time;with 20 ft. in the single lower piece and 10 ft. in the singleupper piece. In securing heavy corner poles to sustainunusual strain, Mr. Field, with characteristic ingenuity,has resorted to the device of taking apole of large diameter, filling up the hol-low space by dropping old rail down intoit and then cementing the whole riiassinside. The result is enormous stability. In addition to the pole line, the com-pany has up about 15 km (9^ miles) ofline fastened on buildings by rosettes, agreat many of the streets being too nar-row to admit poles. One of our viewsshows a construction gang putting upline of this type last May. The leastdistan
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