Object Details
- Description
- The Fauth company advertised an instrument of this sort in 1883, describing it as "Pocket Heliotrope, Steinheils, a beautiful instrument that requires no adjustment." Karl August Steinheil was a German physicist who introduced the form in 1844.
- This example is marked “FAUTH & CO. WASHN D.C. 2493" and "238" and "C.&G.S." and "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
- Data Source
- National Museum of American History
- maker
- Fauth & Co.
- Measurements
- overall in case: 1 3/4 in x 8 in x 2 5/8 in; 4.445 cm x 20.32 cm x 6.6675 cm
- Object Name
- heliotrope (steinheil)
