Work of special motor tractors at Carrara quarries; extraordinary natural difficulties presented by conveyance of marble from quarries to port of shipment; how marble is quarried; problem of transporting marble down mountain side to lower level; gravity helps; tractors supersede oxen; Pavesi tractor completely articulated; transport to coast.
A transport field to conquer
Motor Transport
Motor Transport ; 46 , n 1196
1928
3 pages
5 Figs.
Article (Journal)
English
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