...G M BURT © Thomas Telford and ICE 1944 MACHINERY PLANT CIVIL ENGINEERING CONSTRUCTION DEVELOPMENT TRACTORS CRANES CONCRETE MIXERS VIBRATORS SUBGRADE DOCKS HARBOURS EXCAVATING PLANTS PUMPS UNDERWATER PILES DRIVING DERRICKS CABLEWAYS PNEUMATIC BREAKWATERS TUNNELLING...

..., drainage, and building- foundation contracb, which previously would have been carried out by hand. Mr. Davidson had alreadyspoken of the cableway-draglines. Those tools were, of course, limited in their application ; in other words, it was necessary to have a job to suit them, but where there was not less...