DE183369C - - Google Patents
Info
- Publication number
- DE183369C DE183369C DENDAT183369D DE183369DA DE183369C DE 183369 C DE183369 C DE 183369C DE NDAT183369 D DENDAT183369 D DE NDAT183369D DE 183369D A DE183369D A DE 183369DA DE 183369 C DE183369 C DE 183369C
- Authority
- DE
- Germany
- Prior art keywords
- balls
- frame
- machine
- student
- slate
- 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
- 239000010454 slate Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 210000001747 pupil Anatomy 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)
- Toys (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE183369C true DE183369C (OSRAM) |
Family
ID=447376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT183369D Active DE183369C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE183369C (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE890273C (de) * | 1951-03-14 | 1953-09-17 | Friedrich Schmitt | Schreib- und Rechengeraet fuer Kinder |
-
0
- DE DENDAT183369D patent/DE183369C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE890273C (de) * | 1951-03-14 | 1953-09-17 | Friedrich Schmitt | Schreib- und Rechengeraet fuer Kinder |
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