DE124580C - - Google Patents
Info
- Publication number
- DE124580C DE124580C DENDAT124580D DE124580DA DE124580C DE 124580 C DE124580 C DE 124580C DE NDAT124580 D DENDAT124580 D DE NDAT124580D DE 124580D A DE124580D A DE 124580DA DE 124580 C DE124580 C DE 124580C
- Authority
- DE
- Germany
- Prior art keywords
- balls
- rows
- housing
- lever
- displaceable
- 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
- 206010021703 Indifference Diseases 0.000 description 1
- 238000010276 construction Methods 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)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE124580C true DE124580C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=393361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT124580D Active DE124580C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE124580C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
0
- DE DENDAT124580D patent/DE124580C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3300746A1 (de) | Vorrichtung zum verriegeln von einzelnen ausziehteilen | |
| DE1772599A1 (de) | Einstellnalterung fuer vielfache Stellungsveraenderungen | |
| DE124580C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE2711906B2 (de) | Lehrgerät | |
| DE133885C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE192393C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE259802C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE2245271B2 (de) | Sortiergestell für kartenförmiges Gut | |
| DE537682C (de) | Mehrfach-Nietmaschine mit mehreren Zufuehrungskanaelen | |
| DE66437C (de) | Rechenlehrmittel | |
| DE631661C (de) | Lehrmittel zum Erlernen des Lesens oder Rechnens | |
| DE331072C (de) | Lehrmittel zum Rechnen mittels Zaehlkoerper auf parallelen Staeben | |
| DE22330C (de) | Rechenapparat | |
| DE514411C (de) | Staffelkartenei | |
| DE301956C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE414397C (de) | Vorrichtung zum stufenartigen Herausziehen uebereinander angeordneter Schubladen | |
| DE55339C (de) | Rechen- und Lese-Lehrmittel | |
| DE175898C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE56630C (de) | Bruchrechenmaschine für Lehrzwecke | |
| DE492176C (de) | Vorrichtung zur Einstellung von Zahlen und anderen Angaben | |
| AT95723B (de) | Multipliziervorrichtung. | |
| AT67298B (de) | Typensetz- und Ablegemaschine für Steckschriftlettern. | |
| DE564427C (de) | Steilkartei, bei der die Blaetter in Gruppen zwischen Leitkarten angeordnet sind | |
| DE253820C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE183369C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |