| 摘要 |
1505785 Lamp display devices CRESTWORTH Ltd 13 Oct 1976 42567/76 Heading G5C A display lamp consists of a container 14 containing a liquid in which insoluble reflective flakes are circulated by convection currents caused by an illuminating lamp 16, the container being surrounded by an envelope 18 which is at least partly translucent. The envelope 18 may be rectangular, cylindrical, pyramidal or spherical (as shown), and is supported on an outer vase 12 to which it is preferably sealed at 20 so that any liquid escaping is retained in the base. |
