Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 717
used by some classes of artificers are, however, made in a single piece. A clinometer rule is repre-sented in Figs. 3708 and 3709. In one of the legs is set a small spirit-level, and this leg has a * Simms Practical Tunneling, 3d edition. t Ibid. SAFES. 687 pivoted branch folding into a cavity in…
Mechanical engineering -- Dictionaries
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