Fauth Heliotrope (Steinheil)

Description
Fauth advertised an instrument of this sort in 1883, describing it as "Pocket Heliotrope, Steinheils, a beautiful instrument that requires no adjustment." The reference is to the German physicist, Karl August Steinheil, who introduced the form in 1844.
This example is marked “FAUTH & CO. WASHN D.C. 2493" and "238" and "C.&G.S. NO. 418.” It belonged to the U. S. Coast and Geodetic Survey. New, with case, it cost $20. It was made after 1887 when G. N. Saegmuller began putting serial numbers on Fauth instruments, and before Saegmuller's move to Rochester in 1905.
Ref: Fauth & Co., Catalogue of Astronomical and Surveying Instruments (Washington, D.C., 1883), p. 53.
K.A. Steinheil, "Das Heliotrop," in H. C. Schumacher, ed., Jahrbuch für 1844, pp. 12 17.
Location
Currently not on view
maker
Fauth & Co.
place made
United States: District of Columbia, Washington
ID Number
PH*309655
accession number
106954
catalog number
309655
See more items in
Medicine and Science: Physical Sciences
Measuring & Mapping
Surveying and Geodesy
Data Source
National Museum of American History, Kenneth E. Behring Center

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