FR976898A - Improvements to slide rules - Google Patents
Improvements to slide rulesInfo
- Publication number
- FR976898A FR976898A FR976898DA FR976898A FR 976898 A FR976898 A FR 976898A FR 976898D A FR976898D A FR 976898DA FR 976898 A FR976898 A FR 976898A
- Authority
- FR
- France
- Prior art keywords
- slide rules
- rules
- 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
- G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction
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 |
---|---|---|---|
FR976898T | 1948-10-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR976898A true FR976898A (en) | 1951-03-23 |
Family
ID=9519214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR976898D Expired FR976898A (en) | 1948-10-25 | 1948-10-25 | Improvements to slide rules |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR976898A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1135686B (en) * | 1953-12-29 | 1962-08-30 | Faber Castell A W | Double slide rule |
-
1948
- 1948-10-25 FR FR976898D patent/FR976898A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1135686B (en) * | 1953-12-29 | 1962-08-30 | Faber Castell A W | Double slide rule |
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