Handbook of construction plant, its cost and efficiency (1918)
Dana, Richard Turner, 1876-1928 · New York, McGraw-Hill book company, inc., [etc., etc.] · leaf 301
e purposeof tabulating, hoisting engines have been arbitrarily divided intothe following classes (See Table 118): SINGI.X: cyi.indx:r engines Class. 1. Reversible link motion, single friction drum, ele-vator sheaves. Adapted to coal yards, docks, stevedores, ships,centrifugal pumps, pile driving,… … i, TPPjSi^ 1810^ sjy^ ¥ .^.aS^S^ 1 f ^SKM ■■■rifef^ ^Hi im ^■h 1 H m-m 1^^ ~i •q »«=M.«!^ 1 - .Til-Hl L f^***^ V i97 298 HANDBOOK OP CONSTRUCTION PLANT DOUBI^E CYZiINDEB ENGrlNIlS Class 4. Link motion, single friction drum, elevator sheave.Adapted to general contracting use, and especially for…
Contractors' operations · Building
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