Bulletin No. 4183 of Arc Lamps (May 15)

Good light is as essential to the majority of stores as good salesmen, and for evening sales of some classes of goods, it is an absolute requisite. While good effects have been obtained in the past by the use of oil and gas lamps, such methods of illumination are no more adequate to the present demands than the stagecoach or horsecar to the requirements of modern passenger transportation.

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