A rare cased Auto-Trembler, French, circa 1900

Zusammenfassung

  • Typ 
    Sonstige
  • Losnummer 
    119
  • Standort

Beschreibung

A rare cased Auto-Trembler, French, circa 1900,
box with removable lid, this handy little instrument was designed to control multiple trembler coils without the need to separately time each coil, the case 3.5 x 7.8 x 9.2cm.