- Item type
- Object
- Makers
- C. F. Palmer
- Provenance
- Transferred from the Department of Experimental Psychology, University of Oxford, in 2000.
- Primary inscriptions
- "ELECTRIC 12 RECORDING DRUM MADE IN ENGLAND PALMER" on motor housing.
- Physical material
- metal
- Dimensions
- Height: 550mm Width: 230mm Depth: 210mm Weight: 10.55kg
- Inventory No
- 89208
- Accession Number
- 2000-3/20
Description
Similar to a vertical kymograph, the instrument is made of a heavy metal motor housing base, painted green, with a brass drum mounted on a rod on top. Paper would be glued to the drum and a marker would trace recordings perpendicular to the rotation of the drum. On one side of this drum is an aluminum dial and a slider to adjust the speed of rotation. There is a plate mounted next to this headed "M.M. PER SEC. ON 6" CYLINDER" listing speeds for different gears and settings. The power cable has a standard head.
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