Skip to content
History of Science Museum

Case for Ayrton-Mather Reflecting Galvanometer, by Paul, London

Inventory Number 11123


Acknowledgement: © History of Science Museum, University of Oxford, inv.11123

Item type
Object
Primary inscriptions
Paper label on outside of case reads: ‘AYRTON-MATHER REFLECTING GALVANOMETER BY PAUL, LONDON’
Physical material
Wood
metal
Paper
Object type
Galvanometer
Dimensions
Height: 290mm Width: 158mm Depth: 165mm Weight: 1200g
Inventory No
11123

Description

Rectangular wooden case with metal fittings and metal handle on the top. There is a hinged door at the front and the interior fittings are lined with green baize.

Label inside case with statistics about galvanometer:

Serial No. = 116

Radius of mirror = 1000m/m

Resistance of Coil = 115.8 ohms

Deflection for 1 micro-ampere = 171mm

Swing for 1 micro-coulomb = 240mm

Periodic time = 5.5 seconds

E.D.R = 600