FR969512A - Cylindre à calculs - Google Patents
Cylindre à calculsInfo
- Publication number
- FR969512A FR969512A FR969512DA FR969512A FR 969512 A FR969512 A FR 969512A FR 969512D A FR969512D A FR 969512DA FR 969512 A FR969512 A FR 969512A
- Authority
- FR
- France
- Prior art keywords
- calculation cylinder
- calculation
- cylinder
- 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
- G06G—ANALOGUE COMPUTERS
- G06G1/00—Hand manipulated computing devices
- G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
- G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction
- G06G1/08—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales
- G06G1/085—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales borne by a cylinder
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR969512T | 1948-07-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR969512A true FR969512A (fr) | 1950-12-21 |
Family
ID=9501992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR969512D Expired FR969512A (fr) | 1948-07-24 | 1948-07-24 | Cylindre à calculs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR969512A (fr) |
-
1948
- 1948-07-24 FR FR969512D patent/FR969512A/fr not_active Expired
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