Mechanical and marine engineering science ... Specially written as a handbook to the Board of Trade examinations for extra-first-class engineers (1909)
Somerscales, A. N · Glasgow : J. Munro; London, Simpkin, Marshall, Hamilton, Kent · leaf 95
a rod with a bulb orplug at the end, equal to the bore of the tube. Grooved rolls aregenerally used for this purpose. The bulb of the mandrel is heldin position exactly between the rolls, and the tube is drawn by therolls over the mandrel, which have semicircular grooves of theexact radius of the… … similar to the plan adopted for welding boiler furnaces by gas—as follows:— Boiler furnaces are welded piecemeal, either before the corru-gations are formed or after. The first plan is adopted in themanufacture of Foxs furnaces. The plate to form the furnace isrolled in the plate-bending rolls to…
Naval architecture
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
