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History of Science Museum

High Frequency Sliding Inductance, by Marconi Company, London, Early 20th Century

Inventory Number 72720


Item type
Object
Provenance
Presented by the Marconi Corporation.
Primary inscriptions
"MARCONI'S WIRELESS / TELEGRAPH CO. LTD. / NO. 71411 LONDON" printed on brass maker's plaque upon uppers surface of base.
Physical material
Brass
ebonite
mahogany
Object type
Radio communication
Dimensions
Width: 125mm
Inventory No
72720
Accession Number
2004-9/639

Description

High Frequency Sliding Inductance, mounted on varnished mahogany base. With lacquered brass knob and sliding support upon two brass cylindrical narrow tubes. With ebonite terminals at both ends of both narrow tubes, all of which have lacquered brass terminals mounted upon.