Bridges, structural steel work, and mechanical engineering productions (1909)
Sir William Arrol and Company, Ltd · Sir William Arrol and Company, Ltd · leaf 288
. MACHINE FOK CLEANING ASCENSIOH PIPES OF RETORTS. •_4I within an hour, allowing sufficient time for rest for theoperator upon the completion of each lot of pipes. The practice, where charging, withdrawing, and cleaningmachines are used, is for these machines to follow each
Structural iron and steel · Division 05, iron works · Bridges · Cranes · Plant machinery · Mechanical engineering · Specifications · Division 05 - Metals
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