Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 555
One unit of the Clyde line which has beengciining popularity very rapidly is the Con-crete Tower Hoist. Two one drum 60 H. P.electrics were employed on the operation il-lustrated, which shows the Phoenix UtilityCompany, of Duluth, working on a Hydro-Electrical development for the MinnesotaPower…
Architecture · Building · Construction industry · Engineering
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