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Scientific American, Vol. 21, No. 18 (1869) (1869)

leaf 15

An illustration from Scientific American, Vol. 21, No. 18 (1869), 1869, leaf 15
hat PROBABLE in all SHELL BOILERS, the danger bein, South Norwalk, inherent in the large diameter, and ready to develop it- 16 tf eow Cc st., CINCINNATI, O. self, at any moment, in an explosion. Root’s Safety William A. Harris, Manufacturer of Boiler offers absolute immunity trom such results. Sen…

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