- Subject
- Electronic instruments
- Item type
- Object
- Makers
- Siemens
- Provenance
- Presented by the Rutherford Appleton Laboratory
- Object type
- Telegraphy equipment
- Dimensions
- Diameter: 147mm Height: 103mm Weight: 2208g
- Inventory No
- 72744
- Accession Number
- 1992-26
Description
Metal cylinder with glass top on cylindrical wooden base. Diagram and text printed on paper label adhered under base. Under glass cover, a metal mechanism with inscription "Patent Siemens Bros & Co London No 9870". Possible Ivory inset discs with letters inscribed.
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