FR498789A - Machine à additionner - Google Patents
Machine à additionnerInfo
- Publication number
- FR498789A FR498789A FR498789DA FR498789A FR 498789 A FR498789 A FR 498789A FR 498789D A FR498789D A FR 498789DA FR 498789 A FR498789 A FR 498789A
- Authority
- FR
- France
- Prior art keywords
- adding machine
- machine
- 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 |
---|---|---|---|
FR498789T | 1917-08-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR498789A true FR498789A (fr) | 1920-01-22 |
Family
ID=1533946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR498789D Expired FR498789A (fr) | 1917-08-03 | 1917-08-03 | Machine à additionner |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR498789A (fr) |
-
1917
- 1917-08-03 FR FR498789D patent/FR498789A/fr not_active Expired
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