s. The entire ap- lighting is in successful employment are reviewed. paratus is sold in France for $800. burners. It has operated regularly for f aur years, and the The electric lamp furnishes the only means of illumina- SAULTBK, LEMONNIER & CO.'s SHOPS, PARIS. average expense, incidentals… … cents per yard. So that light is a necessity, by ELECTRIC LIGHT.-GRAMME MACHINE DRIVEN BY A STEAM ENGINE.-Fig. 1. each machine, equiva- arranging duplicate lent to 100 Carcel burn- lamps, so that one is ers, costs for maintenance 3'8 cents per hour plus the ex- cents per hour. The room lighted is…
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