Light House

• Light House is a tower with long giant pole situated at the shores of the sea.
• Light House is used for communication between the ships and light house.
• In previous days every ship used to have a light projector, two communicate to the shore of the sea.
• Navy uses the morse code flash light to communicate with the authorities.
• Below figure shows navy people sending light and watching the light signals.

Communication of Light:

• Communication is done by the sequential ON and OFF of the light in particular series.
• Long light indicates the dash and short light blink indicates the dot.
• Latter the light house is using for indicating sea shore and safest place to anchor the ship.
• Now Light House Contains the Red and Green light which indicates the 
• Red is for not safe place to enter.
• Green is for safe place to enter.
• Generally green is indicated in left and red is indicated in right.
• Dangerous or Emergency signal is passed by the continuous blink of light for 9 times.

Light House Construction:

• A  light house light is made up of a very bright light called Beacon.
• Beacon is placed in room surrounded by the glass, called Lantern Room.
• There is room for watch room to watch the ship signals.