Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 965
d cut to such a length as just to fill the pendulum-block, and toboar against the face-plate. These blocks were made of well-seasoned hickory, accurately adjusted to the proper weight by boringholes in them, which were, when necessary, filled with plugs of lead. This weight is such as to keepthe…
Mechanical engineering
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