Inside Out Library · Explore

Scientific American, Vol. 24, No. 6 (February 1871) (1871)

leaf 7

An illustration from Scientific American, Vol. 24, No. 6 (February 1871), 1871, leaf 7
provements'in grate bars, and The hand lever, N, runs the stitching still inventions' in this field increase and part of the machine into or out of gear, as multiply. The demand for grate bars is may be desired. bo large that any bar which can fairly com- We are informed by the inventor that pete… … more perfect combusfJbn and greater rapid- -«♦♦» GREENLEAFS IMPROVED GRATE BAR. ity in raising steam than is the case with A 30-Incli Gage Railroad In Onto. prising men in Lincoln city struck, at a depth of 600 feet, a many forms of grate bar in use. ■ The Toledo Commercial having stated that the…

Patents · Crank · Force · Machine · Water · Scientific American · Sulphuric acid · Sewing machine · Reciprocating parts · Sulphurous acid · Antedated january · Versed sine · Centrifugal force · Steam engine · Exhaust steam

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

More pictures from Scientific American, Vol. 24, No. 6 (February 1871)

More like this