• Anno
  • 1907
  • Categoria
  • Radio a galena (a cristallo o a diodo, senza valvole o transistores)
  • Radiomuseum.org ID
  • 323597

 Specifiche tecniche

  • Principio generale
  • Rivelazione a galena / semi-conducteur
  • Gamme d'onda
  • Gamme d'onda nelle note.
  • Tensioni di funzionamento
  • Batterie a secco / 4.5 Volt
  • Altoparlante
  • - Per cuffie o amplificatori esterni
  • Materiali
  • Mobile in legno
  • Radiomuseum.org
  • Modello: Tuner Type B - United Wireless Telegraph Co.;
  • Forma
  • Soprammobile a cassapanca o cassetta, solitamente con coperchio (NON a leggio)
  • Annotazioni
  • United Wireless Telegraph Type B tuner, went into production in 1907. It was a copy of the 1904 Shoemaker receiver. It was designed for use on tugboats and small steamers operating on the 450 meter wavelength. 

    This receiver has one two-slide coil in a mahogany box. A carborundum detector with its potentiometer were mounted on top of the cabinet. The batteries were inside the cabinet.

    Tuning range was 200 to 600 meters.

  • Bibliografia
  • -- Collector info (Sammler) (Wireless Communication in the United States by Thorn Mayes)
  • Autore
  • Modello inviato da Alan Larsen. Utilizzare "Proponi modifica" per inviare ulteriori dati.

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