magnetic field apparatus
Title
magnetic field apparatus
Subject
physics
electromagnetism
electromagnetism
Description
Physical description
Funcitonal description
Funcitonal description
Creator
Steven A. Walton
Date
1907-1912
Format
physical object
Language
English
Coverage
USA
Materials
wood, steel, brass, insulator (fabric)
Maker
Queen & Co., Philadelphia, PA
History of the Object
James W. Queen & Co. was an optical and scientific instrument company in Philadelphia, founded in 1853 (but traded under the name of "Queen & Co." in 1893-1912. See also the article on the company from Scientific American, April 28, 1888 and trade catalogs (too early for this instrument, but intersting)
Location
Fisher Hall, Physics storage
Bibliography
See US patent 843,414, "Optical reading device for electrical measuring instruments," Feb 5, 1907
Collection
Citation
Steven A. Walton, “magnetic field apparatus,” Michigan Tech Inventory of Historic Scientific Instruments, accessed March 28, 2024, https://ihsi.omeka.net/items/show/204.