DE177932C - - Google Patents
Info
- Publication number
- DE177932C DE177932C DENDAT177932D DE177932DA DE177932C DE 177932 C DE177932 C DE 177932C DE NDAT177932 D DENDAT177932 D DE NDAT177932D DE 177932D A DE177932D A DE 177932DA DE 177932 C DE177932 C DE 177932C
- Authority
- DE
- Germany
- Prior art keywords
- sun
- earth
- rod
- shadow
- cap
- 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
- 229910052714 tellurium Inorganic materials 0.000 claims description 4
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 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
- G09B27/00—Planetaria; Globes
- G09B27/02—Tellurions; Orreries
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE177932C true DE177932C (enExample) |
Family
ID=442369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT177932D Active DE177932C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE177932C (enExample) |
-
0
- DE DENDAT177932D patent/DE177932C/de active Active
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