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Scientific American, Vol. 24, No. 1 (January 1871) (1871)

leaf 2

An illustration from Scientific American, Vol. 24, No. 1 (January 1871), 1871, leaf 2
Iw.&. … HOSKINS IMPROVED GATE. tone than you would otherwise get; it will require a muchlonger time, however, in the fixing and toning bath, and in-stead of diminishing in strength, will increase in intensity.When toned to suit your taste there only remains, to completethe positive, washing and drying. To…

Patents · Antedated · Address · Practical · Boiler · Iron · Carbonic acid · Three times · Scientific American · Motive power · Antedated december · Dated december · Sewing machine · Perpetual motion · Letters patent · Special attention

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