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Scientific American, Vol. 49, No. 6 (August 1883) (1883)
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he operators. The triangnlarcolOrfl a^tTTRraTrJe'i'ec! blocks"abo've"rer(5r're<I are arranged along the walls on three sides of the room, employes with, the sub.sc.ribeja. jufflUuw(flBfUBSfftfeMg lefl'behind them for manipulating the The service is performed during the day by sixteen young to are… … THE CENTRAL TELEPHONE EXCHANGE, PARIS. © 1883 SCIENTIFIC AMERICAN, INCPatents · Inches · Ultramarine · Improved · Patented · Scientific American · Stewed · Electric light · Wrinkling strain · Stewed fruit · Address munn · Gelatine relief · Support nut · Boring head · Brush electric · Lock nut
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