411 REFERENCE · Wiktionary
Muscovy glass
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
-
en historical Muscovite, especially as used to make windows. from 16th c.
[It] may be perhaps very much concerned in the business of its hardening and tempering: of which somewhat is said in the Description of Muscovy-glass.