Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 98
o … its .n . ik ration of 8 re furnished withby which two adjoining in be keyed together with wooden bolt*.. Th • : < 92 IRON. scantling, with traps that can be opened or shut for the passage of air, and also for that of a conduitmade of three pieces of light plank, for the condensation of gaseous…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
