ROLLED OR PLATE GLASS.
Rolled plate glass--Furnaces--Raw materials--Process of
ladling--The rolling table--Annealing--Cutting and
sorting--Patterns on rolled plate--“Figured” rolled
plate--Machine used for double-rolling--Polished
plate--Raw materials--Casting from melting pots--
Special casting pots--The rolling table--Importance
of flatness--Annealing kilns--Grinding and polishing
processes--Machines used for grinding and polishing--
Method of holding the glass--Abrasives and polishing
materials--Theory of the polishing process--Limiting
sizes of polished plate--Homogeneity of polished plate--
Uses of plate glass--Bent polished plate--Mirrors--
Bevelling, process and machines--Wired plate glass,
rolled and polished--Difficulties and limitations--
Advantages of wired glass _p._ 122