Handbook of construction plant, its cost and efficiency (1914)
Dana, Richard Turner, 1876-1928 · Chicago, The M. C. Clark Publishing Co. · leaf 302
298 HANDBOOK OF CONSTRUCTION PLANT DOUBLE CYLINDER ENGINES Class 4. Link motion, single friction drum, elevator sheave.Adapted to general contracting use, and especially for operatingmaterial elevators, and, in larger sizes, for use on barges, docks,etc. Class 5. Single friction drum, suited to…
Contractors' operations · Building
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
