DE137816C - - Google Patents
Info
- Publication number
- DE137816C DE137816C DENDAT137816D DE137816DA DE137816C DE 137816 C DE137816 C DE 137816C DE NDAT137816 D DENDAT137816 D DE NDAT137816D DE 137816D A DE137816D A DE 137816DA DE 137816 C DE137816 C DE 137816C
- Authority
- DE
- Germany
- Prior art keywords
- slide
- parts
- slide rule
- logarithmic
- pushed
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K29/00—Combinations of writing implements with other articles
- B43K29/08—Combinations of writing implements with other articles with measuring, computing or indicating devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Toys (AREA)
- Drawing Aids And Blackboards (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE137816C true DE137816C (enrdf_load_stackoverflow) |
Family
ID=405666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT137816D Active DE137816C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE137816C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT137816D patent/DE137816C/de active Active
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