The Caltech Archives
Welcome imageimageimage
Archives Catalog Entry

Scientific Apparatus
Potentiometer, international Ohm

Model # 5517. Imported by James G. Biddle, Philadelphia. With paper with notes: "Ratco Res. drifter. Rheostat drifted. Thermals in Galv. circuit." In wooden case. Manufacturer: Otto Wolff, Berlin. In pencil inside front cover: CIW [Carnegie Institution of Washington] and name Barrett[?].


ID: 1980-00030

LENGTH: 16 x 10.5 x 8 inches; QUANTITY: 1

Topics: Electricity

For information on using Archives materials for commercial or educational purposes (including reproducing PhotoNet images) please see Access and Use.

Return to Search the Archives

Search Help

Caltech