found: Work cat.: Flip, via the Sterling and Francine Clark Art Institute museum objects digital image collection, Sept. 9, 2005.
found: AAT online, Feb. 21, 2006(flip glasses, contemporary collector's term referring to large flaring glass vessels used for heating flip, most popular during the 18th and 19th centuries; sometimes smaller glass vessels from which flip was drunk)
found: Web. 3(Flip glass, large flaring or tumbler, often engraved, common in the eighteenth and early nineteenth centuries)
found: Newman, H. An illustrated dictionary of glass, 1977(Flip. Examples are usually cylindrical or slightly spreading toward the rim. The larger ones usually had a cover or dome having a hollow pointed globular finial. They were made in the eighteenth and nineteenth centuries.)
found: Museum of Fine Arts, Boston, Collections, via WWW, April. 12, 2005:Accession no. 41.196 (Flip Glass)