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
el One of the most difficult operations is required to allow of its being car- was the curving of the heavy plates, ried up at the ends, where. the H which are 16 feet by 4 feet 4 inches by beams and plates are built in position. 1% inch and 1J^ inch thick, and weigh On this mandrel there are now… … 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