Page:Popular Science Monthly Volume 89.djvu/68

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Saving Hours in Handling New York Subway <^ Dirt

��The new method of re moving rock from sub way excavations is ac compHshed in one fifth the time it formerly required. It loads the buckets di- rectly from subway level to auto- mobile trailer


���Doixc; in fi\c 111 i n- ui OS the same work that formerly took twcn- t\-livc min- utes to per- form, t h c method of li a 11 tl 1 i 11 i; rock from sii!)\va\-cxca- \alions ilhis- t rated herc-


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