British Post Office Code Watch

Marconi's Wireless Telegraph Co. Ltd.

  • Anno
  • 1900 ??
  • Categoria
  • Miscellanea (Altro, Varie) - vedere nelle note
  • Radiomuseum.org ID
  • 138915

Clicca sulla miniatura dello schema per richiederlo come documento gratuito.

 Specifiche tecniche

  • Gamme d'onda
  • - senza
  • Tensioni di funzionamento
  • Alimentazione non richiesta
  • Materiali
  • Mobile di metallo
  • Radiomuseum.org
  • Modello: British Post Office Code Watch - Marconi's Wireless Telegraph
  • Annotazioni
  • This 7 jewel (swiss made clockwork) watch was already exhibited at the 1885 International Inventions Exhibition by J.F.Hills, Post Office, Sudbury, Suffolk.
    It purpose was to show the time code letters for the use and convenience of postmasters and telephonists. The Code see under "schematics" above.
    Ein deutscher Artikel ist hier zu finden.

 Collezioni | Musei | Letteratura

 Forum