lighthouse lantern
Powerful lamp that projects an encoded beam.
housing 
Case enclosing and protecting the device’s mechanism.
lamp base 
Metal end of a lightbulb inserted into a socket to connect it to the electric circuit.
dioptric ring 
Concentric glass rings surrounding the lantern that refract its rays to intensify them.
incandescent lamp 
Lamp in which a filament heated by an electric current produces light rays.
ventilation hood 
Part that allows excess heat to escape from the lantern.