Inside Out Library · Explore
Scientific American, Vol. 44, No. 4 (January 1881) (1881)
leaf 0
as is com- S.team pressure, 120 lb. per square inch, monly the case with great inventions. Besides carrying to a successful issue the engine cuts off at one-fifth of the stroki grand experiment of illuminating a large out- makes 600 revolutions per minute, working pressure of the dynamo is 140… … © 1881 SCIENTIFIC AMERICAN, INC.Patented · Iron · Apparatus · Obelisk · Patents · Scientific American · Mercurous sulphocyanide · French academy · Sulphuric acid · Stamp duties · Steam pump · Patent issued · Electric light · Mock suns · Cast Iron
Internet Archive · Public domain (published before 1931). Free to use for anything.
More pictures from Scientific American, Vol. 44, No. 4 (January 1881)
More like this
