FR609453A - Device intended to serve as a teaching aid for teaching arithmetic in schools - Google Patents
Device intended to serve as a teaching aid for teaching arithmetic in schoolsInfo
- Publication number
- FR609453A FR609453A FR609453DA FR609453A FR 609453 A FR609453 A FR 609453A FR 609453D A FR609453D A FR 609453DA FR 609453 A FR609453 A FR 609453A
- Authority
- FR
- France
- Prior art keywords
- teaching
- schools
- serve
- device intended
- arithmetic
- 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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/02—Counting; Calculating
Landscapes
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE609453X | 1925-01-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR609453A true FR609453A (en) | 1926-08-16 |
Family
ID=6575958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR609453D Expired FR609453A (en) | 1925-01-16 | 1926-01-16 | Device intended to serve as a teaching aid for teaching arithmetic in schools |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR609453A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108925090A (en) * | 2018-09-12 | 2018-11-30 | 吴江市聚盈电子材料科技有限公司 | A kind of exchange interface mark panel assembly |
-
1926
- 1926-01-16 FR FR609453D patent/FR609453A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108925090A (en) * | 2018-09-12 | 2018-11-30 | 吴江市聚盈电子材料科技有限公司 | A kind of exchange interface mark panel assembly |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR609453A (en) | Device intended to serve as a teaching aid for teaching arithmetic in schools | |
FR606599A (en) | Device intended to extend the movements of the fingers in the lateral direction | |
FR623955A (en) | Device for teaching arithmetic | |
FR703048A (en) | Training device for cyclists | |
FR727898A (en) | Film drive device in cinematographic devices | |
FR508690A (en) | Device for graduating printing in cinematographic devices | |
FR858363A (en) | Joint device in concrete pavements | |
FR640123A (en) | Film drive device in cinematographic devices | |
FR572313A (en) | Improvements to lenses used in projection devices | |
FR30688E (en) | Device for keeping a bicycle in a balanced position | |
FR588900A (en) | Improvements in multi-jet carburetors | |
FR577983A (en) | Film winding device in cinematographic devices | |
FR651253A (en) | Improvements to film winding mechanisms in cinematographic devices | |
FR716852A (en) | Device to prevent back-ignition in mercury vapor rectifiers | |
FR605586A (en) | Device for regulating film winding in cinematographic devices | |
FR37020E (en) | Device to prevent back-ignition in mercury vapor rectifiers | |
FR701766A (en) | Device to prevent back-ignition in mercury vapor rectifiers | |
FR619485A (en) | Improvements to intermittent film drive mechanisms in cinematographic devices | |
FR723898A (en) | Improvements to film drive mechanisms in cinematographic devices | |
FR726890A (en) | Device for counting points in the auction bridge | |
FR701584A (en) | Improvements to film advancement devices in cinematographic cameras | |
FR747950A (en) | Device for carrying tens in counters | |
FR677974A (en) | Device to prevent back-ignition in mercury vapor rectifiers | |
FR673131A (en) | Device to prevent back-ignition in mercury vapor rectifiers | |
FR665851A (en) | Device to prevent back-ignition in mercury vapor rectifiers |