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Scientific American, Vol. 101, No. 16 (October 1909) (1909)

leaf 9

An illustration from Scientific American, Vol. 101, No. 16 (October 1909), 1909, leaf 9
de officials have subjected the latest There is a strong spiral spring provided which insures the level of the bench below, they are pumped out and Idea, which has been adopted by the Great Western the shoe returning to its normal position directly it "sprung" with 25 sticks of 40 per cent… … shifts of ten hours, when the line is clear, Section of track provided with central ramp. Rear view of locomotive, showing contact shoe. have handled 14,000 these two notifications tons in a day, making A NEW AUTOMATIC ELECTEIC SIGNALING SYSTEM FOE EAILEOADS. coinciding with the 175 tons per hour…

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