Shotter Frequency Meter, by Elliott Brothers, English, c. 1920-40

Subject: Electronic instruments
Item type: Object
Makers: Elliott Brothers
Provenance: Presented by the Marconi Corporation in 2003.
Primary inscriptions: 'ELLIOTT / FREQUENCY / CYCLES PER SECOND / 110 VOLTS / NO.A51131 / PAT. NO. 37501'
Physical material: Metal; Glass; Paint
Object type: Electronic instrument
Dimensions: Diameter: 323mm Height: 200mm Weight: 17.85kg
Inventory No: 13155
Accession Number: 2003-11

Description

For use in a power station to monitor frequency; the scale runs from 46-52Hz.