FR400314A - Adding machine - Google Patents
Adding machineInfo
- Publication number
- FR400314A FR400314A FR400314DA FR400314A FR 400314 A FR400314 A FR 400314A FR 400314D A FR400314D A FR 400314DA FR 400314 A FR400314 A FR 400314A
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE400314X | 1908-11-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR400314A true FR400314A (en) | 1909-07-24 |
Family
ID=1445199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR400314D Expired FR400314A (en) | 1908-11-28 | 1909-01-11 | Adding machine |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR400314A (en) |
-
1909
- 1909-01-11 FR FR400314D patent/FR400314A/en not_active Expired
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