Inside Out Library · Explore
Scientific American, Vol. 74, No. 13 (March 1896) (1896)
leaf 7
wn very close to its calculated place. association between sunspots and coronal radiations has heretofore been done by hand labor onlj'. The earlier photographs were principally taken with a The Ohio Coal Company also has extensivejdocks at is,' perhaps, the niost important feature of the re- West… … the idea of making pens pletely hidden by. of metal. STEEL TRUSS CONVEYORS OF A GREAT COAL DOCK-NO HAND LABOR REQUIRED. drooping veeetation. © 1896 SCIENTIFIC AMERICAN, INC.Patents · Lathe · Munn · Scientific American · Windt expects · Weather tests · Horse power · Address munn · Postal union · Writing machine · Government tests · Lenox avenue · Type writing
Internet Archive · Public domain (published before 1931). Free to use for anything.
More pictures from Scientific American, Vol. 74, No. 13 (March 1896)
More like this
