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Publication date
Application filed by Ludwig HoffmannfiledCriticalLudwig Hoffmann
Publication of CH688ApublicationCriticalpatent/CH688A/de
G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
G04B19/00—Indicating the time by visual means
G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
G04B19/23—Arrangements for indicating different local apparent times; Universal time pieces by means of additional hands or additional pairs of hands
G04B19/235—Arrangements for indicating different local apparent times; Universal time pieces by means of additional hands or additional pairs of hands mechanisms for correcting the additional hand or hands
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
CH688A1889-03-051889-03-05Doppelzeigerwerk an Uhren für zwei verschiedene Zeitangaben auf konzentrischen Zifferblättern
CH688A
(de)