- Reproduction
- Dictaphone tubes
- DescripciónDictaphone tubes belonging to A.V.Hill based on the original Eddison phonograph. With black wax cylinders, moulded into hollow tubes, used for recording: some of which may contain dictation by Hill. Cylinders in cylindrical cardboard boxes.
- CreadorOne of three cylinders: "Thomas A Edison Incorporated, West Orange, NY"
- Material
- Dimensiones
- length: 65 mm boxes
diameter: 70 mm boxes - Physiology
- Número del objetoLDUSC-PHYSIO-34
- PHY342, 34
- UCL Science Collections
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