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Large glass hydrometer with thermometer, with a mercury ballast, and paper label marked “Alkoholometer nach Richter und Tralles, Temp. 0 = 12½ Reaum” and “Von Schaffer & Budenberg in Magdeburg.” There is also a glass test cylinder. Bernard Schaffer and his brother-in-law, Friedrich Budenberg, began in business in 1850, in the Prussian town of Magdeburg, making pressure gauges and other mechanical instruments. This firm later became the Budenberg Gauge Co.
Currently not on view
Object Name
place made
Germany: Saxony-Anhalt, Magdeburg
overall: 18 in x 2 1/2 in x 3 1/8 in; 45.72 cm x 6.35 cm x 7.9375 cm
hydrometer: 16 in x 3/4 in; 40.64 cm x 1.905 cm
cylinder: 17 in; 43.18 cm
overall in case: 2 3/4 in x 18 1/4 in x 3 1/8 in; 6.985 cm x 46.355 cm x 7.9375 cm
ID Number
catalog number
accession number
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Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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