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Scientific American, Vol. 21, No. 10 (1869) (1869)

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An illustration from Scientific American, Vol. 21, No. 10 (1869), 1869, leaf 0
the throwing off of the cars from the track by any water, 212°, timber is brought into such a condition that it sation of the steam, the pipe was inclosed ina tight box of other cause. will fire without the application of a light. The time during wood filled with powdered charcoal. All worked well… … a constant currentof air should same time they will, in conjunc- pass through. tion with the ties, act as brakes The danger in heating by hor- to rapidly check the advance of days, when a fire took place in the horizontal inclosing box, izontal smoke flues, although they are rarely used in mills…

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