In metal, mouldings may be rolled or drawn. In the first they are formed in the solid, but drawn mouldings are formed in plate or sheet metal and are therefore hollow and of uniform thickness.
ROLLED METAL MOULDINGS
No. 147.
By either method mouldings of any required section are obtainable provided they are not undercut.
Both varieties are ordinarily obtainable in various sections and sizes in iron, brass, bronze, and silver.
Where special sections are required, the cost of the tools necessary for their production would have to be taken into account.
