FR581585A - Règle à calcul circulaire - Google Patents
Règle à calcul circulaireInfo
- Publication number
- FR581585A FR581585A FR581585DA FR581585A FR 581585 A FR581585 A FR 581585A FR 581585D A FR581585D A FR 581585DA FR 581585 A FR581585 A FR 581585A
- Authority
- FR
- France
- Prior art keywords
- slide rule
- circular slide
- circular
- rule
- slide
- 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
- G06G1/10—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation
- G06G1/12—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation logarithmic graduations, e.g. for multiplication
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 |
---|---|---|---|
FR581585T | 1924-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR581585A true FR581585A (fr) | 1924-12-02 |
Family
ID=8957505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR581585D Expired FR581585A (fr) | 1924-05-12 | 1924-05-12 | Règle à calcul circulaire |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR581585A (fr) |
-
1924
- 1924-05-12 FR FR581585D patent/FR581585A/fr not_active Expired
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