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PARKE CUSTIS DOUGHERTY
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PARKE CUSTIS DOUGHERTY
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Application filed by PARKE CUSTIS DOUGHERTYfiledCriticalPARKE CUSTIS DOUGHERTY
Application grantedgrantedCritical
Publication of FR463388ApublicationCriticalpatent/FR463388A/fr
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
G04B19/06—Dials
G04B19/16—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24
G04B19/166—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24 with rotating scales
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR463388D1912-12-141912-12-14Dispositif à éclipse automatique permettant la lecture des 24 heures sur les cadrans des horloges et des montres
ExpiredFR463388A
(fr)