Inside Out Library · Explore

Scientific American, Vol. 20, No. 12 (1869) (1869)

leaf 7

An illustration from Scientific American, Vol. 20, No. 12 (1869), 1869, leaf 7
us to the farmer. Grinding the The following will convey to a young photographer ora gencous liquid, enough soot is stirred into it, to impart to it a knives or cutters of these machines is a work requiring time | curious reader an idea of chemical equivalents, or combining finc black color. In… … by him to trial, he had not met with any which ing of the blades from root to point, and keeps answered all purposes so well as the one de- the stone from wearing out of shape, an ob- ject that is more fully secured by the fact that the teeth in | scribed. when oxygen and hydrogen combine, they do…

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 20, No. 12 (1869)

More like this