Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 955
d, turned and cut to such a length as just to fill the pendulum-block, and tcbear 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…
Mechanical engineering · Mechanics · Engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.