DE140746C - - Google Patents
Info
- Publication number
- DE140746C DE140746C DENDAT140746D DE140746DA DE140746C DE 140746 C DE140746 C DE 140746C DE NDAT140746 D DENDAT140746 D DE NDAT140746D DE 140746D A DE140746D A DE 140746DA DE 140746 C DE140746 C DE 140746C
- Authority
- DE
- Germany
- Prior art keywords
- stereoscope
- card holder
- rail
- magnifying glass
- hinge
- 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
- 239000011521 glass Substances 0.000 claims description 4
- 229920002160 Celluloid Polymers 0.000 description 1
- 235000003560 Valerianella locusta Nutrition 0.000 description 1
- 240000004668 Valerianella locusta Species 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
- G02B30/37—Collapsible stereoscopes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE140746C true DE140746C (enExample) |
Family
ID=408410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT140746D Active DE140746C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE140746C (enExample) |
-
0
- DE DENDAT140746D patent/DE140746C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE140746C (enExample) | ||
| US1383097A (en) | Educational device | |
| Clement | Medieval and Renaissance book production | |
| US4346657A (en) | Duplication printer | |
| Guerra | The identity of the artists involved in Vesalius's Fabrica 1543 | |
| DE159599C (enExample) | ||
| DE602157C (de) | Buchfoermiger Filmordner | |
| DE488388C (de) | Vorrichtung zum Festhalten der auf die Notenauflage an der Klavierklappe gestellten Noten | |
| DE448165C (de) | Vorrichtung zum Halten der Blaetter eines Buchs bei Wiedergabevorrichtungen | |
| US1800312A (en) | Tracing and copying or manifolding apparatus | |
| Strong | An improved method of palm-printing | |
| Rich | Paper Sloyd: A handbook for primary grades | |
| DE553064C (de) | Sammelalbum fuer Lichtbilder | |
| Pachauri | A Study of Gestalt Problems in Completed and Interrupted Tasks. Part III | |
| DE117287C (enExample) | ||
| DE408554C (de) | Notenblattwender | |
| DE198878C (enExample) | ||
| DE286898C (enExample) | ||
| DE245665C (enExample) | ||
| DE898545C (de) | Schneidetisch | |
| DE827127C (de) | Hilfsmittel zur Erleichterung des Unterrichts und des Erlernens von Lesen und Schreiben | |
| DE639847C (de) | Schablonendrucker mit einem schwenkbaren federbelasteten Schablonentragrahmen | |
| DE356027C (de) | Einrichtung zur Vorfuehrung von Diapositiven | |
| DE344261C (enExample) | ||
| DE481745C (de) | Linierrollen- und Spatien-Setz-Vorrichtung |