Inside Out Library · Explore

Scientific American, Vol. 38, No. 14 (April 1878) (1878)

leaf 10

An illustration from Scientific American, Vol. 38, No. 14 (April 1878), 1878, leaf 10
Greenough, it ap- peared that eleven years after the grant of Greenough's pat- seed required for each hill. These spouts are hinged at their In using scroll saws it is necessary to pass the end of the saw through the work to fasten it, and then detach it and ent he filed an application for a… … a plow, except that the share is made longer and makes a tive shape till after other patents containing the same devices THE STAPFOED SCEOLL SAW. cut about two feet wide. An arched sifting frame of had been granted and expired, are not satisfactorily accounted parallel rods follows the share, which…

Patents · Boiler · Nickel · Iron · Beton · Scientific American · Feet · Fire proof · Electric currents · Horse power · Sir john · Feed screw · Patent office · Specific gravity · Cast Iron · Wrought iron

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

More pictures from Scientific American, Vol. 38, No. 14 (April 1878)

More like this