A catechism of the steam engine in its various applications to mines, mills, steam navigation, railways, and agriculture. With practical instructions for the manufacture and management of engines of every class (1864)
Bourne, John · New York, D. Appleton & co. · leaf 389
ven to the shovel by the drum B and handle £,and at the same time it is raised by the chains o, o. These twomotions can be so adjusted to each other, as to give movementto the shovel to enable it to loosen and scrape up a shovelfulof earth. The handle S is now left free, and the shovel D israised… … POWER NECESSARY FOR THRESHING. 373 car. All these motions are performed by the aid of a steam en-gine, and are controlled by a man who stands on a platform at/. 692. Q.—Having now described the most usual and approvedforms of engines applicable to numerous miscellaneous purposesfor which a moderate…
Steam engineering · Steam-engines
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