Inside Out Library · Explore

Scientific American, Vol. 52, No. 18 (May 1885) (1885)

leaf 7

An illustration from Scientific American, Vol. 52, No. 18 (May 1885), 1885, leaf 7
ts form the main tube proper, leaving out out in the open (Fig. 4), on what is called the drill the connections to skewbacks, the girder fixtures, tees, One of the well known features in the design of this roads. These are laid down to suit the drilling ma- and other minor details, with which it is… … The method now adopted is to bend Fig. 3.-SIDE ELEVATION OF TUBE DRILLING MACHINE. R, at the horizontal distance from each Fig. 2.-SECTI0N OF TUBE DRILLING MACHINE. © 1885 SCIENTIFIC AMERICAN, INC

Patents · Iron · Machine · Patented · Scientific American · Pumping · Supreme Court · Cast Iron · Sewing machine · American supplement · Pumping engines · Trade mark · Patent office · Hot air · Air pumping

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

More pictures from Scientific American, Vol. 52, No. 18 (May 1885)

More like this