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History of Science Museum

Photograph (Cyanotype) of a Power Indicator, by Elliott Brothers, c.1910

Inventory Number 11981


Item type
Object
Provenance
Presented by the Marconi Corporation in 2003. Part of the Elliott Archive.
Primary inscriptions
Inscribed with negative number 'N55'.
Physical material
Paper
Object type
Photograph
Dimensions
Height: 160mm Width: 118mm
Inventory No
11981
Accession Number
2003-11

Description

In Elliott Archive 4/20/3/2, typescript description. Cyanotype (blueprint) photograph of an electrical power indicator (maximum demand indicator) by Elliott Brothers, the instrument marked 'Power Indicator. | Harrison & Slaughter's Patent No.24894./07 | Elliott Brothers London ...'. Shown closed; one of two (companion shows inside). Vertical format.