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Scientific American, Vol. 51, No. 7 (August 1884) (1884)

leaf 4

An illustration from Scientific American, Vol. 51, No. 7 (August 1884), 1884, leaf 4
by Engineering News as follows: The roadbed Is first deflector. The front of the ash pit has openings covered by direction the teeth will slide past each other. Shaftscan be covered with a 6 Inch coating of concrete composed of Port- a slide to regulate the draught, admitted both directly into… … blocks, but the plan upon which it has experimenting on dry batteries. Many ROLLINS' DEVICE FOR TRAITSMITTING MOTION. been put down in Paris is that known as have endeavored to obtain a dry cell by mixing sand with chlorhydrate of ammo- the annuity system, in which the company contracts to lay the…

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