Title
Astatic Ammeter (Zoomed)
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. Instrument #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
