Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 369
crete, and should always be avoidedwhen possible. Fig. 142 shows a charging elevator devised by the McKelveyMachinery Company. The bucket is raised and lowered by the sameengine by which the concrete is mixed, and operated by the same man.The capacity of the charging bucket is the same as that of… … Fig. 141. Concrete Mixer Erected. provided with an automatic stop. In using either make of thesecharging buckets, it is necessary to use wheelbarrows to charge thebuckets, unless the materials are close to the mixer. 343. Transporting Concrete. Concrete is usually transportedby wheelbarrows, carts,…
Architecture · Building
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