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Scientific American, Vol. 26, No. 18 (1872) (1872)

leaf 7

An illustration from Scientific American, Vol. 26, No. 18 (1872), 1872, leaf 7
ontinued until twelve tected in the faint oppressive smell imparted to the air which trived apparatus for the purpose of heating buildings. years ago, when what is now called the “ flashing system ” has been overheated. Provision is also made in this furnace For further information address Holcomb… … printed matter, that hasturned yellow, are com- HOLCOMBS HOT AIR FURNACE. the sliding rod, R, the lower end of the rod, pletely restored by being immereed in this pre- M, is moved nearer to or farther from the fulcrum of the Painesville, Ohio, in whom the patents on the original fur- paration for…

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