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Record Details

Photograph (Cyanotype) of a Round Vibration Tachometer, by Elliott Brothers, 1915

Inventory Number: 11976
Object Type:
Accession Number: 2003-11
Brief Description: Cyanotype from a glass negative of an Elliott vibration tachometer (Frahm's patent). Vertical format. Same photo as 11977, but annotated on front.
Primary Inscriptions: Intrinsic negative number: 'N.932'. Annotated with dimensions and weight.
Provenance: Presented by the Marconi Corporation in 2003. Part of the Elliott Archive.
Collection Group: Elliott Archive
Material(s): Paper
Height Width Depth Diameter Unit
155 112 mm

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