Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 537
se, a solid piece of wood or iron that is a little less than the cylinder is secured to the bottom oithe movable vessel as shown in the centre: this answers the same object as an equal bulk of mercury. These pumps have their disadvantages: they are expensive : and however well made, the quantityof… … ^X]
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
