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Object Name: 
Accession Number: 
2010.4.165 C
Overall L: 31.7 cm, Diam: 0.9 cm
Not on Display
about 1900-1930
Credit Line: 
Gift of Bart Woloson
Primary Description: 
Colorless and translucent white glass, black enamel, mercury; blown, tooled, enameled, assembled. Cylindrical colorless glass tube with tooled ball knop at top end. Tube contains a translucent white insert with black enameled gradated markings running from 0 to 300 degrees Celsius and a thin tube filled with mercury. Back of insert inscribed "Corning Natural Glass Arthur H. Thomas Co.. Philada. U.S.A. Total Immersion No. 25019" in black enamel. Back of outer glass tube inscribed "BSN°37760".
Woloson, Bart, Source
Etched back of outer glass tube
Corning Natural Glass Arthur H. Thomas Co.. Philada. U.S.A. Total Immersion No. 25019
Enameled back of insert