galvanometer
Datecirca 1940
Inventory Number2006-1-0070
ClassificationGalvanometer
Subject
Maker
General Electric Company
1892-present
User
Edward Mills Purcell
1912 - 1997
User
Department of Physics, Harvard University
founded 1884
Cultural Region
Place of Origin
Dimensions18.5 × 15 × 27 cm (7 5/16 × 5 7/8 × 10 5/8 in.)
Material
DescriptionFairly standard-looking box galvanometer.
SignedMetal plaque: GENERAL [GE logo] ELECTRIC / GALVANOMETER / CAT 32C, 223 G6 / SCHENECTADY, N. Y. MADE IN U. S. A.
InscribedBox stamped in green ink: PHYSICS 244 LAB
Historical AttributesFrom Physics teaching laboratory.
Fairly standard-looking box galvanometer that may have been modified by Edward Mills Purcell.
Two small notes and a carboard box containing a transistor, two resistors, and a small plastic scale. Postmark on box dated: 8 Sept 1965. Notes have been photocopied and the originals have been placed in the object file.
Electric Manufacturing Company
Date: late 19th-early 20th Century
Object number: 0372
Bausch & Lomb Optical Company
Date: 1920-1940
Object number: 1998-1-0531
Leeds & Northrup Company
Date: 1930-1950
Object number: 1997-1-0340
Emile Gérard & Company
Date: circa 1889
Accessories: coil; case; cover; strings
Object number: 0223a-e
Leeds & Northrup Company
Date: 1920-1940
Object number: 1998-1-0534
