06-05-2019, 10:34 AM
Incandescent lamps
The first incandescent lamp was in vented by Thoma Alva Edison in 1879 and comprise d carbon filaments instead of tungsten filaments. These lamps had an efficacy of 2.54 Im/W.
1.GLS (general lighting service) lamps
2.Halogen Lamps
GLS (general lighting service) lamps
GLS lamps consist of a tungsten wire filament on a suitable mount structure enclosed in a glass bulb containing an inert gas or vacuum.
![[Image: image-36.png]](http://frontdesk.co.in/wp-content/uploads/2019/06/image-36.png)
Bayonet cap Lamp
![[Image: image-37.png]](http://frontdesk.co.in/wp-content/uploads/2019/06/image-37.png)
Halogen linear Lamp
In halogen lamps the bulb is filled with a halogen gas rather than nitrogen and argon. The halogen gas is either iodine or bromine, or in some cases a mixture of both. The bulb shape is tubular and its surface is closer to the hot filament
To know more about illumination read .... http://frontdesk.co.in/building-science/illumination-in-architecture/
The first incandescent lamp was in vented by Thoma Alva Edison in 1879 and comprise d carbon filaments instead of tungsten filaments. These lamps had an efficacy of 2.54 Im/W.
1.GLS (general lighting service) lamps
2.Halogen Lamps
GLS (general lighting service) lamps
GLS lamps consist of a tungsten wire filament on a suitable mount structure enclosed in a glass bulb containing an inert gas or vacuum.
Bayonet cap LampHalogen linear Lamp
In halogen lamps the bulb is filled with a halogen gas rather than nitrogen and argon. The halogen gas is either iodine or bromine, or in some cases a mixture of both. The bulb shape is tubular and its surface is closer to the hot filament
To know more about illumination read .... http://frontdesk.co.in/building-science/illumination-in-architecture/