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History of Science Museum

Blueprint Circuit Diagram for a Power Factor Indicator, by Elliott Brothers, September 1929

Inventory Number 11982


Provenance
Presented by the Marconi Corporation in 2003. Part of the Elliott Archive.
Primary inscriptions
Intrinsic heading: 'Three Phase Power Factor Indicator No- [blank] | Diagram of Connections.'; intrinsic diagram number: 'D.36.'.
Physical material
Paper
Object type
Electronic instrument
Dimensions
Height: 240mm Width: 190mm
Inventory No
11982
Accession Number
2003-11

Description

In Elliott Archive 4/20/2, typescipt description of dynamometer instruments. Blueprint circuit diagram for a power factor indicator, forming figure 7 of W. Phillips's text. The original diagram is pre-1917.