Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 830
natic A ! —The apj is shown in the annexed engravings, of which I a plan, and ion, taken tl . the centre from A to 15. It consists of a fixe 1 cylinder, placed in the centre of a room, and whitin ler is about 5 ft 6 in. diameter and 5 ft high, with a chamber above and below, each furnished…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
