Three‑Way Coil Holder

Penton Engineering Co.; London

  • Anno
  • 1926 ?
  • Categoria
  • Parte di radio (ma non modulo a sè stante)
  • Radiomuseum.org ID
  • 371161

 Specifiche tecniche

  • Gamme d'onda
  • - senza
  • Tensioni di funzionamento
  • Alimentazione non richiesta
  • Altoparlante
  • - - Nessuna uscita audio.
  • Materiali
  • Vari materiali
  • Radiomuseum.org
  • Modello: Three‑Way Coil Holder - Penton Engineering Co.; London
  • Forma
  • Diverse forme (descritte nelle note).
  • Annotazioni
  • A three‑way extension of the Penton Type “A” geared coil holder, offering greater flexibility for experimental circuits.

    • Precision geared mechanism for smooth and accurate coil adjustment.
    • Designed for use with multiple coils, enabling three‑way switching or coupling.
    • Constructed with the same high‑quality engineering and finish as the Type “A”.
    • Compact and robust, suitable for laboratory or amateur wireless construction.

    Performance
    Praised as “an excellent piece of apparatus” — carefully designed, well‑made, and finely finished. Intended to satisfy even the most critical experimenters and constructors.

    Materials
    Metal gearing and fittings, ebonite or hardwood mounting components.

    Price (1926)
    10 shillings 6 pence, noted as reasonable for a first‑class geared coil holder.

  • Prezzo nel primo anno
  • 5.30 £
  • Bibliografia
  • -- Original prospect or advert (Popular Wireless & Wireless Review, 4 Dec 1926, p. 840)
  • Autore
  • Modello inviato da Gary Cowans. Utilizzare "Proponi modifica" per inviare ulteriori dati.

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