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Bishop, J. Leander (John Leander), 1820-1868 / A history of American manufactures from 1608 to 1860 : exhibiting the origin and growth of the principal mechanic arts and manufactures, from the earliest colonial period to the adoption of the Constitution ; and comprising annals of the industry of the United States in machinery, manufactures and useful arts, with a notice of the important inventions, tariffs, and the results of each decennial census
Volume 3 (1868)

Manufactures of Rochester,   pp. 258-265


Page 262

HART AND MUNSON'S MILL STONE MANUFACTORY.
valuable improvements which he has designed and contributed for its
benefit.
One of his inventions, which was patented in 1849, is a machine for
balancing and finishing Burr Mill Stones. By means of this machine,
the mill stone, after it is blocked up, is suspended upon its centre, where
it is balanced in the course of filling up and finishing, instead of being
filled up, as is usually the case, without the means of testing the accuracy
oi its balance. The superiority of mill stones finished in this way, over
others, must be evident at a glance. To regulate the balance or correct
any inaccuracy which might arise from drying of the moisture, or any
other cause, this firm provide a Shot Balance without extra charge, and
give directions for using it.
Another valuable invention of Mr. Munson is a new Cast Iron Eye
and Mill Spindle, which can be put in an old stone equally as well as in
a new one. The eye is formed of an outside and an inside cone, the
two cones being connected by spiral wings. The inside cone or hub
forms the bail or driving parts, and the driver is cast solid on the spindle.
The advantage of this Eye is that it cannot be choked or clogged under
any speed, carries more air under the stone, drives nearer the centre,
dnd the runner cannot be thrown off the cockhead. It is peculiarly
adapted for small mills where great speed is required.
In 1860, Mr. Munson patented an improvement adapted to mills
grinding all kinds of grain, starch, plaster, etc., by which a more perfect
adjustment of the stones to each other is secured, and a greater con-
venience in lubricating the joints, as well as effectually preventing the
escape of the oil from its bush. The arrangement by which these im-
portant ends are secured is fully set forth in the firm's Circular.
Another valuable machine manufactured at this establishment is
Mattison's Flour Packer, which, it is said, will save about 33 per cent.
of labor in packing in barrels, and about 66 per cent in packing in bags,
when compared with the lever press and the usual process of shoveling
into bags. Its novelty consists in carrying the bag or barrel full-length
upon the cylinder and delivering the flour in a compact state, the barrel
or bag receding from the packer in process of filling. They are now in
use in many of the best mills in the country.
The works of Messrs. Hart & Munson include a Mill Stone Mann-
factory, a Machine Shop, Plaster Mills, and Foundry, and are commo-
dious and well-arranged.
Besides the establishment we have mentioned, Utica contains several
other important manufactories. For instance, the Washingtonville Iron
Works, conducted by Philo S. Curtis; the Iron Railing Manufac-
tories of L. Dean & Co. and Chauncey Palmer; and the Portable
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