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Crown glass
Meaning
Noun
●
In Glassblowing:
An early type of
made by
into a
(crown) and then
it on a
,
and
into
by
force.
●
In Optics & Glassblowing:
A
of
used in
and other
due to its low
and
. Originally
was made from alkali-lime
with
10%
, but
may be
with other recipes.
Sourced from
Wiktionary
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