Glass: A Pocket Dictionary Of Terms Commonly Used - Corning ...

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to the required thickness. Many glass rolling pins are
friggers, with a knob at each end so that they can be
suspended by a cord.
Roman foot: A flangelike base formed by folding. The
ancient romans were the first glassworkers to make
bases in this manner.
Römer (German), roemer (Dutch): A drinking vessel for
wine or beer. it has an ovoid mouth, a cylindrical body,
and a conical foot. The body is usually decorated with
prunts.
Rotary polishing: The process of polishing an object
with tools and an abrasive while turning it on a lathe.
Rummer: A type of 19th-century English goblet, with a
short stem and a square or domed foot.
Rüsselbecher (German, “trunk beaker”): See Claw beaker.
See Slumping.
Salt, saltcellar (from French salière, “salt dish”): A small
bowl used at the table for salt.
Salver: A tray for serving. At first, salvers were used primarily
for presenting objects to rulers. More recently,
the word is used to denote trays used for presenting
letters or visiting cards, or for serving refreshments.
Sand: The most common form of silica used in making
glass. it is collected from the seashore or, preferably,
from deposits that have fewer impurities. For most
present-day glassmaking, sand must have a low iron
content. before being used in a batch, it is thoroughly
washed, heated to remove carbonaceous matter, and
screened to obtain uniformly small grains.
Sand casting, sand molding: A forming technique in
which molten glass is poured or ladled into a mold of