Skip to content
History of Science Museum

Variometer And Sliding Capacitor, by Marconi Company, London, Early 20th Century

Inventory Number 44318


Acknowledgement: © History of Science Museum, University of Oxford, inv.44318

Item type
Object
Provenance
Presented by the Marconi Corporation.
Primary inscriptions
"MARCONI'S WIRELESS / TELEGRAPH CO LTD / NO 73377 LONDON" on metal plaque on upper surface of base.
Object type
Radio communication
Dimensions
Height: 150mm Width: 130mm Depth: 200mm
Inventory No
44318
Accession Number
2004-9/461

Description

Variometer And Sliding Capacitor, in varnished teak frame. Variometer in horizonral cylinder, wrapped in copper wire. With two nickel-plated terminals on top of cylinder, and copper knob on side. With two ebonite side panels mounted at a angle on frame, with sliding ebonite scale (scale 0-6) on one ebonite panel and four nickel-plated terminals on other ebonite panel. With sliding capacitor mounted on top of frame.