BE647895A - - Google Patents
Info
- Publication number
- BE647895A BE647895A BE647895DA BE647895A BE 647895 A BE647895 A BE 647895A BE 647895D A BE647895D A BE 647895DA BE 647895 A BE647895 A BE 647895A
- Authority
- BE
- Belgium
- Prior art keywords
- scales
- scale
- ruler
- relating
- temperature
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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)
- Thermally Actuated Switches (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Radiation Pyrometers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE647895A true BE647895A (Direct) |
Family
ID=205574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE647895D BE647895A (Direct) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE647895A (Direct) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4124795A (en) * | 1976-09-27 | 1978-11-07 | American District Telegraph Company | Fire protection calculator |
| US4203542A (en) * | 1976-10-01 | 1980-05-20 | Foseco International Limited | Calculating apparatus |
-
0
- BE BE647895D patent/BE647895A/fr unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4124795A (en) * | 1976-09-27 | 1978-11-07 | American District Telegraph Company | Fire protection calculator |
| US4203542A (en) * | 1976-10-01 | 1980-05-20 | Foseco International Limited | Calculating apparatus |
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