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Pocket-book of mechanics and engineering (1864)
Nystrom, John W. (John William), 1824-1885 · Philadelphia, J.B. Lippincott · leaf 157
X^ 148. Circte -Arc. 3/ = Va2+cr— j?2c2 —4Aa 149. C7rc/e -Arc. … c» —46*8A # 150. ElEpse.Mechanical engineering · Engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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