Preview

image 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.

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

Share

Image Location

 
COinS