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 559
oss-bar,and that the weak spot in the bracing near the wrest-plank portion, due to the fact that the levelof the tension is under the brace level, is thus avoided. On the under side of this cross-piece, orcapo d? astro bar, as it is called, are placed agraffes which furnish a bearing to the… … PIANOFORTE. 537
Mechanical engineering -- Dictionaries
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