Paterson & Cooper Cardew Voltmeter, 1885-1895

01

Artifact Overview

Artifact Details

Artifact

Voltmeter

Date Made

1885-1895

Location

Not on exhibit to the public.

Object ID

31.1217.232

Credit

From the Collections of The Henry Ford. Gift of Edison Laboratories.

Material

Metal
Glass (Material)
Wood (Plant material)

Color

Gold (Color)
White (Color)
Red

Dimensions

Height: 4 in
Width: 43.25 in
Length: 7.25 in

Inscriptions

on face: CARDEW'S VOLTMETER/ PATENT/ PATERSON & COOPER/ LONDON/ 400. on label inside case lid: CARDEW VOLTMETER NO. 400/ To measure 120 Volts total. Current should be kept on continuously. To be used Horizontally/ Resistance 392.3 Ohms at 25'3° C../ 9/7/87 E.S.S.