FR443550A - Improvements in 24-hour time systems, for watches, clocks, etc. - Google Patents
Improvements in 24-hour time systems, for watches, clocks, etc.Info
- Publication number
- FR443550A FR443550A FR443550DA FR443550A FR 443550 A FR443550 A FR 443550A FR 443550D A FR443550D A FR 443550DA FR 443550 A FR443550 A FR 443550A
- Authority
- FR
- France
- Prior art keywords
- watches
- clocks
- hour time
- time systems
- systems
- 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
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
- 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
- G04B19/163—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24 numbers which are visible alternately from 1 to 12 and from 13 to 24 on the same dial G04B19/085
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR443550T | 1912-03-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR443550A true FR443550A (en) | 1912-09-26 |
Family
ID=1484606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR443550D Expired FR443550A (en) | 1912-03-26 | 1912-03-26 | Improvements in 24-hour time systems, for watches, clocks, etc. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR443550A (en) |
-
1912
- 1912-03-26 FR FR443550D patent/FR443550A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR443550A (en) | Improvements in 24-hour time systems, for watches, clocks, etc. | |
FR450941A (en) | Improvements in watches, clocks, etc., with 24-hour time system | |
FR17929E (en) | Clockwork mechanism for 24-hour dial | |
FR18310E (en) | Improvements in watches, clocks, 24-hour time system clocks, with mobile dial | |
FR462111A (en) | Improvements in watches, clocks, 24-hour time system clocks with moving dial | |
CH61025A (en) | Chronograph-counter watch | |
FR454045A (en) | Developments in 24-hour time system watches | |
FR450936A (en) | Clockwork mechanism for 24-hour dial | |
CH58715A (en) | Escapement for pendulum timepieces | |
FR451292A (en) | Retaining device for watches, adapting in particular to bracelets | |
CH58719A (en) | Watch | |
CH62172A (en) | Watch | |
CH60577A (en) | Timepiece balance | |
FR447594A (en) | Timepiece with device for reading the day's division in 24 hours | |
CH74655A (en) | Watch for the blind | |
CH64037A (en) | Dial for timepieces etc. | |
FR460966A (en) | Transformation of clocks, clocks, watches, etc., into 24-hour notation | |
DK16034C (en) | Watch holder. | |
CH64521A (en) | Case for clockwork etc. | |
FR450524A (en) | Adjustable wristwatch system | |
CH61478A (en) | Date watch | |
CH63174A (en) | Case for timepieces etc. | |
FR469173A (en) | Escapement for watch movements | |
FR479080A (en) | Case for wristwatches | |
ES52435A1 (en) | Improvements in date calculating devices. |