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History of Science Museum

Steam Engine Indicator, by Elliott Brothers (London) Ltd., London, 20th Century

Inventory Number 12963


Acknowledgement: © History of Science Museum, University of Oxford, inv.12963

Item type
Object
Provenance
Presented by the Marconi Corporation in 2003.
Primary inscriptions
'ELLIOTT BROTHERS / (LONDON) LTD/ No. 2827 '
Physical material
Wood
Metal
Object type
Electronic instrument
Dimensions
Height: 200mm Width: 180mm Depth: 94mm Weight: 2.3kg
Inventory No
12963
Accession Number
2003-11

Description

Steam Engine Indicator, by Elliott Brothers. The instrument is made of metal and comes with four various sized metal valves, there is also a wooden ruler measuring 0-200, housed in a wooden box with brass handle and a copper alloy topped screw. The device records how the pressures in the cylinders of steam and internal-combustion engines change during the operating cycle.

12963.1 - Wooden box for Steam Engine Indicator, baize lined lid and supports, it has a brass handle.

12963.2 - Large metal valve for Steam Engine Indicator, with string and metal hooks attached. It consists of 2 colunms attached to each other.

12963.3 - Small metal valve, with wooden handle attached.

12963.4 - Metal section with flat rectangular blade attached and a screw attachment.

12963.5 - Small wooden ruler

12963.6 - Small screw with a copper alloy top.