- Item type
- Object
- Provenance
- Presented by the Marconi Corporation.
- Primary inscriptions
- "MARCONI'S WIRELESS / TELEGRAPH CO LTD / No 199272 LONDON" printed on brass plaque upon upper surface of baseboard. "THE COIL USED BY MARCONI FOR / FIRST EXPERIMENT OUT TO SEA / TO S.S. VICTORIAN FROM THE POLDHU / WIRELESS STATION ON JULY 29TH 1920. / MISS DORA GIBSON WAS THE SINGER" printed on celluloid plaque upon sloped side of baseboard.
- Object type
- Radio communication
- Dimensions
- Height: 275mm Width: 235mm Depth: 240mm Weight: 4.2kg
- Inventory No
- 96466
- Accession Number
- 2004-9/502
Description
Variometer, with ebonite frame, cylindrical swivelling core in horizontal rope-bound coil on four porcelain insulators, on mahogany baseboard. With two brass terminals, and a brass 180-degree scale with brass needle and bakelite dial upon ebonite sidebar. Insulators restored.
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