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Scientific American, Vol. 101, No. 21 (November 1909) (1909)

leaf 4

An illustration from Scientific American, Vol. 101, No. 21 (November 1909), 1909, leaf 4
ns, and adding these to the four 12-inch ENGINES. and used for general temperature measurement in the guns, which the other two classes already had, mak- A strikingly novel instrument^ the invention of Prof. arts and sciences, would never "live" to operate under ing ten in all, and placing them in… … only the "all-big-gun" armament. the metal tubes, making a gas-tight joint be- It seems to me that the "Roanoke" complies Interior details of the indicator. tween the thermo-couple wires and said tubes. in every way with the definition of the modern In practice they protrude beyond the lower…

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