Polyphase Switch, by Elliott Brothers (London) Ltd., 20th Century

Subject: Electronic instruments
Item type: Object
Makers: Elliott Brothers (London) Ltd.
Provenance: Presented by the Marconi Corporation in 2003.
Primary inscriptions: 'ELLIOTT BROTHERS / (LONDON) LTD. / TRANSMITTER / MARK III / NO. 1412 / PATT.9522'
Physical material: Metal; Cable; Bakelite?
Object type: Electronic instrument
Dimensions: Height: 110mm Width: 90mm Depth: 185mm Weight: 2.8kg
Inventory No: 12977
Accession Number: 2003-11

Description

Polyphase Switch, by Elliott Brothers, which comprises of a metal cylinder in a frame with five pairs of switches attached in pairs by metal springs.