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Photograph (Cyanotype) of a Round Frequency Indicator, by Elliott Brothers, May 1, 1915

Inventory Number: 11975
Object Type:
Accession Number: 2003-11
Brief Description: Cyanotype from a glass negative of an Elliott frequency indicator, round version. Vertical format. Annotated on front.
Primary Inscriptions: Intrinsic negative number: 'N.971.'. Annotated with various dimensions and other details. Date on back: '1/5/15'.
Provenance: Presented by the Marconi Corporation in 2003. Part of the Elliott Archive.
Collection Group: Elliott Archive
Material(s): Paper
Dimensions:
Height Width Depth Diameter Unit
156 110 mm

There are no associated narratives.

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