Improvements in or relating to electric lamps

Abstract

Abstract 359,875. Electric daylight lamps. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London.-(Assignees of Patent-Treuhand-Ges. f³r Elektrische Gl³hlampen; 11, Ehrenbergerstrasse, Berlin.) April 24, 1931, No. 12206. Convention date, June 28, 1930. [Class 75 (iv).] An electric daylight lamp comprises a housing 1 provided with one or more matted, clouded, or like translucent windows 2 and containing one or m o r e luminous discharge tubes 4 filled with a rare gas and mercury vapour, one or more luminous discharge tubes 5 filled with cadmium vapour, and one or more incandescent lamp bulbs 6. The inside of the housing 1 may be given a phosphorescent or other suitable coating.

Inventors

No inventors recorded.

Bibliographic Details