This section is from the book "The Engineer's And Mechanic's Encyclopaedia", by Luke Hebert. Also available from Amazon: Engineer's And Mechanic's Encyclopaedia.
A kind of ring or link of a chain, that is enabled to turn round, by jointing it to the next, by means of a pin or axis. The term of swivel is applied to a small cannon, provided with a similar kind of joint; and to very numerous purposes, swivel-joints are adapted and modified in a variety of ways too unimportant to describe.
 
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