FR345697A - Règle à calcul - Google Patents
Règle à calculInfo
- Publication number
- FR345697A FR345697A FR345697DA FR345697A FR 345697 A FR345697 A FR 345697A FR 345697D A FR345697D A FR 345697DA FR 345697 A FR345697 A FR 345697A
- Authority
- FR
- France
- Prior art keywords
- slide rule
- 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 |
---|---|---|---|
US345697XA | 1903-09-12 | 1903-09-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR345697A true FR345697A (fr) | 1904-12-08 |
Family
ID=1394471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR345697D Expired FR345697A (fr) | 1903-09-12 | 1904-08-19 | Règle à calcul |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR345697A (fr) |
-
1904
- 1904-08-19 FR FR345697D patent/FR345697A/fr not_active Expired
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