Analytical Balance

Analytical Balance

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Description
This micro-chemical analytical balance was used in the Oakwold Laboratory in Alexandria, Va., one of the first commercial microanalytical laboratories in the United States. It has a wooden frame with glass sides and top. The inscription on a tag reads “MADE BY / WILH. H. F. KUHLMANN / HAMBURG GERMANY / SOLD BY ARTHUR H. THOMAS CO. / PHILADA. U.S.A.” That on the beam reads “WILH. H. F. KUHLMANN HAMBURG.” The door is stamped “2963.” There is a telescope for reading the scale.
Ref: Fritz Pregl, Quantitative Organic Microanalysis (Philadelphia, 1930).
Arthur H. Thomas, Laboratory Apparatus and Reagents (Philadelphia, 1931), p. 75.
Location
Currently not on view
Object Name
micro-chemical balance
Object Type
Balances
Date made
1938
maker
Kuhlmann, Wilhelm H.F.
place made
Germany: Hamburg, Hamburg
Associated Place
United States: New Jersey
Measurements
beam: 7 cm; 2 3/4 in
each pan: 3.5 cm; x 1 3/8 in
case: 32 cm x 38 cm x 22.3 cm; 12 5/8 in x 14 15/16 in x 8 3/4 in
ID Number
CH.329782
catalog number
329782
accession number
283425
Credit Line
Mrs. Wilbur Patterson
subject
Weights & Measures
See more items in
Medicine and Science: Chemistry
Data Source
National Museum of American History
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