Functions

Production of Light
Incandescence:
Most forms of man-made light are incandescent in nature.
	* Flame, fire, gas jets
	* Gas mantles
	* Electric arcs
	* Filament Incandescence.
		+ Concentrated filaments
		+ "Conventional" lamps
		+ "Tungsten-Halogen"
	* Other sources:
		+ Gas Discharge lamps (Neon, Mercury, Sodium)
		+ Short Arc lamps (Xenon, HMI)
		+ Florescence

PARTS OF A LAMP:

Bulb types/shapes:
A- arbitrary,   PS- pear shaped,   P- pear,   S- Straight
F- Flame,     G - globe,     T - tubular,     R - Reflector
    PAR - Parabolic Aliminumized Reflector

BASE TYPES and Sizes:
Screw-  Mogul    Medium
   Candelabra
   Mini-can

Prefocus
Bayonette
Bi-post
2-pin
Parellel blade
Side Prong
RSC