FR476972A - Machine à calculer - Google Patents
Machine à calculerInfo
- Publication number
- FR476972A FR476972A FR476972DA FR476972A FR 476972 A FR476972 A FR 476972A FR 476972D A FR476972D A FR 476972DA FR 476972 A FR476972 A FR 476972A
- Authority
- FR
- France
- Prior art keywords
- calculator
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
- G06C7/00—Input mechanisms
- G06C7/02—Keyboards
- G06C7/06—Keyboards with one set of keys for each denomination
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR476972T | 1914-02-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR476972A true FR476972A (fr) | 1915-09-15 |
Family
ID=1514687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR476972D Expired FR476972A (fr) | 1914-02-20 | 1914-02-20 | Machine à calculer |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR476972A (fr) |
-
1914
- 1914-02-20 FR FR476972D patent/FR476972A/fr not_active Expired
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