Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 350
^1419. TUBE-ROLLING MA-CHINE.—The first roller turns the■^ I strip of metal to a half-circle. Thepair of vertical rolls close up thetube. … 1420. SEAMLESS TUBE MAK-ING. — Rolling a solid bar between apair of angular-axled disc rollers opensa cavity within the bar which is furtherexpanded by a second pair of disc rollers.The rolling of the tube between the discspushes the tubular bar over a revolvingconical mandrill. 1421. WIRE-BENDING…
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-304-129.webp)
