Inside Out Library · Explore

Scientific American, Vol. 22, No. 23 (June 1870) (1870)

leaf 7

An illustration from Scientific American, Vol. 22, No. 23 (June 1870), 1870, leaf 7
and has their own weight pulls them down when they are not in- IMPROVED SHOVEL HANDLE. cost $1,500. The gas is conducted by an inch-and-a half pipe, clined by the action of the windlass, C. This windlass is without gasometer, through smaller pipes underneath the vised to draw up the parts, B, so as… … 1 oz. of alcohol, i oz. of spirits of camphor, and 2 drams of view to detect flaws and weak places. handles of shovels, that they may be used as rammers or aqua ammonia. Apply with a soft sponge and allow it to dry External corrosion arises from leakage at blow-out or tamping irons in leveling and…

Patents · Consists · Center · Air · Iron · Scientific American · Going · Wrought iron · Wire rope · Compressed air · Steam boiler · Steam engine · Patent office · Sewing machine · Mass motion · Meat preserving

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

More pictures from Scientific American, Vol. 22, No. 23 (June 1870)

More like this