FR651893A - Improvements to so-called watchmaking devices - Google Patents

Improvements to so-called watchmaking devices

Info

Publication number
FR651893A
FR651893A FR651893DA FR651893A FR 651893 A FR651893 A FR 651893A FR 651893D A FR651893D A FR 651893DA FR 651893 A FR651893 A FR 651893A
Authority
FR
France
Prior art keywords
watchmaking
called
devices
watchmaking devices
called watchmaking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Antoine Mathern
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR651893A publication Critical patent/FR651893A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • 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
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/022—Regular striking mechanisms giving the full hour, half hour or quarter hour with saw mechanism

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR651893D 1928-03-28 1928-03-28 Improvements to so-called watchmaking devices Expired FR651893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR651893T 1928-03-28

Publications (1)

Publication Number Publication Date
FR651893A true FR651893A (en) 1929-02-28

Family

ID=9004924

Family Applications (1)

Application Number Title Priority Date Filing Date
FR651893D Expired FR651893A (en) 1928-03-28 1928-03-28 Improvements to so-called watchmaking devices

Country Status (1)

Country Link
FR (1) FR651893A (en)

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