- Subject
- Photography
- Item type
- Object
- Makers
- Elliott Brothers
- Provenance
- Presented by the Marconi Corporation in 2003. Part of the Elliott Archive.
- Primary inscriptions
- Intrinsic negative number: 'N.932'. Annotated with dimensions and weight.
- Physical material
- Paper
- Object type
- Photograph
- Dimensions
- Height: 155mm Width: 112mm
- Inventory No
- 11976
- Accession Number
- 2003-11
Description
Cyanotype from a glass negative of an Elliott vibration tachometer (Frahm's patent). Vertical format. Same photo as 11977, but annotated on front.
Related Items
More related items- Photograph (Cyanotype) of a Round Vibration Tachometer, by Elliott Brothers, 1915Inventory Number 11977
- Photograph (Cyanotype) of a Round Frequency Indicator, by Elliott Brothers, May 1, 1915Inventory Number 11975
- Photograph (Cyanotype) of a Voltmeter, by Elliott Brothers, 1929Inventory Number 11982
- Photograph (Cyanotype) of a Portable Frequency Indicator, by Elliott Brothers, 1915Inventory Number 11973