DE163933C - - Google Patents
Info
- Publication number
- DE163933C DE163933C DENDAT163933D DE163933DA DE163933C DE 163933 C DE163933 C DE 163933C DE NDAT163933 D DENDAT163933 D DE NDAT163933D DE 163933D A DE163933D A DE 163933DA DE 163933 C DE163933 C DE 163933C
- Authority
- DE
- Germany
- Prior art keywords
- rulers
- slide
- groove
- divisions
- ruler
- 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.)
- Active
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
- G06G1/04—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)
- Slide Switches (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE163933C true DE163933C (cs) |
Family
ID=429569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT163933D Active DE163933C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE163933C (cs) |
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0
- DE DENDAT163933D patent/DE163933C/de active Active
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