History of Science Museum: Collection Database Search

Record Details

Rotary Attenuator in Case, by Elliott Brothers (London) Ltd., Mid 20th Century

preview image for Rotary Attenuator in Case, by Elliott Brothers (London) Ltd., Mid 20th Century
Inventory Number: 13138
Object Type:
Place Created: London England United Kingdom Europe
Accession Number: 2003-11
Brief Description: An attenuator is an electronic device that reduces the power of a signal without appreciably distorting its waveform. The Rotary Attenuator, by Elliott Brothers is made of metal with a rectangular body and two long tube shaped arms. There is a glass circular window which displays the reading. It is housed in a branded black case with metal fittings.
Primary Inscriptions: 'ELLIOTT SERIAL NO. 780 / PAT NO. 691.939 / OTHERS PENDING / ROTARY ATTENUATOR TYPE B204 / ELLIOTT BROS (LONDON) LTD CENTURY WORKS / LONDON S.E.13. ENGLAND'
Provenance: Presented by the Marconi Corporation in 2003.
Collection Group: Elliott Collection
Material(s): Metal
Glass
Bakelite?
foam
Dimensions:
Height Width Depth Diameter Unit
85 510 80 mm

There are no associated narratives.

Image with multimedia irn 47311

Permalink: http://www.mhs.ox.ac.uk/object/inv/13138