DE238780C - - Google Patents
Info
- Publication number
- DE238780C DE238780C DENDAT238780D DE238780DA DE238780C DE 238780 C DE238780 C DE 238780C DE NDAT238780 D DENDAT238780 D DE NDAT238780D DE 238780D A DE238780D A DE 238780DA DE 238780 C DE238780 C DE 238780C
- Authority
- DE
- Germany
- Prior art keywords
- frame
- wire
- arithmetic
- tens
- ones
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000003086 colorant Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/02—Counting; Calculating
Landscapes
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE238780C true DE238780C (enrdf_load_stackoverflow) |
Family
ID=498271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT238780D Active DE238780C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE238780C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT238780D patent/DE238780C/de active Active
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