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Scientific American, Vol. 44, No. 15 (1881) (1881)

leaf 7

An illustration from Scientific American, Vol. 44, No. 15 (1881), 1881, leaf 7
tance to maintain a uniform heat magnets by the wires, and the magnets are in turn connected bine all the necessary requisites for a successful drying ap- in theincubator, and mechanism is provided which automa: tically regulates the temperature. A spiral metal thermo- with the battery. paratus.… … kilns of this kind that hold about 200 000 band and plates provided with a hook and staves which they are using in connection slot to allow interlocking. HOLMES’ DRYING KILN. Mr. David W. Frazee, of Skaneateles, with their barrel factory, the latter being filled with the Holmes barrel and stave ma-…

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