GB302807A - Improvements in means for producing stage scenic effects - Google Patents
Improvements in means for producing stage scenic effectsInfo
- Publication number
- GB302807A GB302807A GB3482327A GB3482327A GB302807A GB 302807 A GB302807 A GB 302807A GB 3482327 A GB3482327 A GB 3482327A GB 3482327 A GB3482327 A GB 3482327A GB 302807 A GB302807 A GB 302807A
- Authority
- GB
- United Kingdom
- Prior art keywords
- disc
- lamp
- sun
- sheets
- screen
- 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.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
- A63J5/00—Auxiliaries for producing special effects on stages, or in circuses or arenas
Landscapes
- Projection Apparatus (AREA)
- Instructional Devices (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
302,807. Digby, T. J., and Cibbons. A. O. Dec. 23, 1927. Optical-projection apparatus.-To produce the appearance on a screen 19 of the sun or moon, a transparent or translucent, plate or disc 1 is mounted on a box supporting a lamp 10. To give the effect of rays emanating from the sun, a number of opaque bars 7 supporting between them sheets of glass 9 may be arranged surrounding the lamp, the bars and sheets being supported by the disc and by a similar but larger and opaque disc 4. The lamp may be shifted with respect to the disc 1 by a rack and pinion. In a modification the structure 1, 7, 9, 4 may be mounted on an external shaft rotatable to vary the position of the image on the screen.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3482327A GB302807A (en) | 1927-12-23 | 1927-12-23 | Improvements in means for producing stage scenic effects |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3482327A GB302807A (en) | 1927-12-23 | 1927-12-23 | Improvements in means for producing stage scenic effects |
Publications (1)
Publication Number | Publication Date |
---|---|
GB302807A true GB302807A (en) | 1928-12-27 |
Family
ID=10370340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3482327A Expired GB302807A (en) | 1927-12-23 | 1927-12-23 | Improvements in means for producing stage scenic effects |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB302807A (en) |
-
1927
- 1927-12-23 GB GB3482327A patent/GB302807A/en not_active Expired
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