Inside Out Library · Explore

Scientific American, Vol. 22, No. 14 (1870) (1870)

leaf 7

An illustration from Scientific American, Vol. 22, No. 14 (1870), 1870, leaf 7
ro oe —_ & eo strap, D, attached to the under side of the bar, E, of the frame, THE YOSEMITE VALLEY. IMPROVED COAL-BREAKING MACHINE. extending from the hind axle to the front rocker. The upper In accordance with our general desire to give both sides of In the ordinary method of breaking coal much… … ently and unconfined by them; may be made to him upon the full and by it each leaf performs its establishment of his claim, function to better advantage, than when all are confined to- consumption, practically valueless. The object of the pres- DP PORTABLE LAUGHING GAS. gether, as these springs…

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

More pictures from Scientific American, Vol. 22, No. 14 (1870)

More like this