Arms and Equipment of the Civil War by Jack Coggins

Arms and Equipment of the Civil War by Jack Coggins

Author:Jack Coggins
Language: eng
Format: epub
ISBN: 9780486131276
Publisher: Dover Publications
Published: 2012-07-17T16:00:00+00:00


24-POUNDER GUN ON BARBETTE CARRIAGE

150-POUNDER ARMSTRONG MUZZLE-LOADING RIFLE

An Armstrong gun of this type was “built up” of a series of concentric wrought-iron tubes made from spiral coils welded together under a steam hammer. The tubes, or hoops, were then shrunk over one another so that the inner tube, or barrel, was in a state of compression and better able to resist the force of explosion. Each tube was turned on a lathe to a slightly smaller diameter than the one it was to fit over. Then it was expanded by heating and dropped into place.



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