细节
Franz Herkenrath, Zürich
An unusual three-phase alternator with separate exciter (drehstromgenerator) the mahogany base with maker's plate inscribed Franz Herkenrath, Werkstätte Für Fein Mechanik ZÜRICH, the black enamelled frame mounted with six coils bound with green and red silk-covered copper wire, the hand crank with mahogany handle and central shaft mounted with six opposing coils similarly wired, the copper wire and strip-conductor connected with colour coded terminals - the base 11¾in. (29.8cm.) wide
See Colour Plate
An unusual three-phase alternator with separate exciter (drehstromgenerator) the mahogany base with maker's plate inscribed Franz Herkenrath, Werkstätte Für Fein Mechanik ZÜRICH, the black enamelled frame mounted with six coils bound with green and red silk-covered copper wire, the hand crank with mahogany handle and central shaft mounted with six opposing coils similarly wired, the copper wire and strip-conductor connected with colour coded terminals - the base 11¾in. (29.8cm.) wide
See Colour Plate