Matrass
National Museum of American History

Matrass

Priestley, Joseph · 18th century

glass (overall material)
National Museum of American History
CC0 — Public Domain
National Museum of American History

This dark green glass matrass (or bolt head) belonged to Joseph Priestley (1733-1804), the accomplished and controversial English chemist and natural philosopher, and was undoubtedly made after his immigration to the United States in 1794. It might have been used for distillation.

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