Glass: A Pocket Dictionary Of Terms Commonly Used - Corning ...
Glass: A Pocket Dictionary Of Terms Commonly Used - Corning ...
Glass: A Pocket Dictionary Of Terms Commonly Used - Corning ...
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H Hand<br />
Grinding: The technique of removing the surface of an<br />
object with a rotating wheel fed with an abrasive, or by<br />
some other means.<br />
Grisaille (from French gris, “gray”): (1) A method of decorative<br />
painting in monochrome gray especially, but not<br />
exclusively, on stained glass windows; (2) brown paint<br />
made from iron oxide, which, when fused to the glass,<br />
defines details in a stained glass window.<br />
Grozing: The process of breaking away the edge of<br />
a glass object with a grozing iron or pliers in order to<br />
shape it.<br />
Guinand: A fire-clay pot used in the manufacture of<br />
optical glass. it is named after its inventor, Pierre louis<br />
Guinand (1748–1824).<br />
cooler: A solid, egg-shaped piece of glass or decorative<br />
stone, said to have been used to cool the palms<br />
of a woman’s hands.<br />
Hand press: A tool shaped like a pair of pliers, with flat<br />
jaws containing molds. Hand presses were used extensively<br />
in Europe for making chandelier parts. later, they<br />
were introduced in the United states for pressing stoppers<br />
and bases.<br />
Hard glass: A generic name for glass (e.g., borosilicate<br />
glass) with a relatively low coefficient of expansion. Soft<br />
glass (e.g., soda-lime glass), by contrast, has a relatively<br />
high coefficient of expansion.<br />
Hausmaler (German, “home painter”): A decorator who<br />
enameled glass or porcelain while working from home<br />
independently of the manufacturer.<br />
Head flask: A mold-blown flask with the body in the<br />
form of a human head. Head flasks were popular in the<br />
roman Empire, and examples were made from the first<br />
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