Preview
Document Type
Image
Creation Date
1890
Description
These instruments were given the name astatic because they diverted all outside magnetic forces around the shell of the instrument. nstrument #324. Patented November 6, 1888, #392,386, #392,387; May 14, 1889, #403,311; April 29, 1890, #426,992, #427,922; June 10, 1890, #19895, #19896.
Location
NJIT Robert W. Van Houten Library, Third Floor
Dimensions
Diameter of shell 4", Overall height 8 1/2"
Photgrapher
Matthew Brown & Zackary Kellett
Photo Date
03/09/2020
Resolution
4752x3168
Approximate Date
1890
Collection
Weston Museum
Completeness
Complete
Condition
Very Good
Provenance
Donated by Edward Weston
Keywords
Ammeter, Electrical, Measurement, Weston, Instrument, Magnet, Astatic
