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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.

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

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