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CIE IND DE MECANIQUE HORLOGERE
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CIE IND DE MECANIQUE HORLOGERE
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Application filed by CIE IND DE MECANIQUE HORLOGEREfiledCriticalCIE IND DE MECANIQUE HORLOGERE
Application grantedgrantedCritical
Publication of FR929600ApublicationCriticalpatent/FR929600A/fr
G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
G04D7/1257—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present
G04D7/1271—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present for the control mechanism only (from outside the clockwork)
G04D7/1285—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present for the control mechanism only (from outside the clockwork) whereby the adjustment device works on the mainspring
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR929600D1946-06-211946-06-21Procédé et dispositif de réglage de la fréquence d'oscillation de balancier de mouvements horaires et autres appareils
ExpiredFR929600A
(fr)