Lighthouse purpose| why lighthouse is built| by Lighthouse Diaries


many years ago people decided to explore the waters by boat during the day they could find their way back to landing place by looking for a pile of rocks that had been left there these were the first day marks but how could they find their way home at night? since much of the shore line looked very similar friends had to light bonfire on a high point to guide them to the right landing area still later they used a pole or a tripod to hang a metal basket containing a fire as a method of signalling lighthouse is tower with a bright light at the top, located at an important or dangerous place regarding navigation that is travel over water the two main purposes of a lighthouse are to serve as a navigational aid and to warn boats of dangerous areas it is like a traffic sign on the sea lighthouses located in a variety of places,on rocky cliffs, or sandy shoals on land, on a wave swept reef in the sea, and at an entrances to harbors and bays when we travel on a road or by train ,the station is used to mark the location and indication to travelers where we reach but in a sea how we will understand where we reached because there is no mark or boundaries so the lighthouse is use for this purpose every lighthouse has its own unique light characteristics or pattern through which it differentiate from other lighthouse during day time lighthouse is identified by the height of lighthouse above MSL band and color of lighthouse and structure of lighthouse during night lighthouse emits light so the rotation per minute, flash of the lighthouse and color of the flash differentiate the lighthouse for example a light can send out a flash every 5 seconds, or it might have a 10 seconds of darkness and 3 seconds of brightness so when mariners travel on the sea and they compare the characteristics of lighthouse with the maritime chart which have the details of lighthouse, because of which mariners comes to know at which location they arrived the message of lighthouse might be STAY AWAY, DANGER, BEWARE or COME THIS WAY. every lighthouse tells the mariners “this is exactly where you are” our first lighthouse actually given to us by nature herself sailors sometime used landmarks such as glowing volcanoes to guide them before the development of clearly defined ports mariners were guided by fires built on hilltops since raising the fire would improve the visibility, placing the fire on a platform become a practice that led to the development of lighthouse the most famous lighthouse structure from antiquity was the pharaohs of Alexandria, Egypt which collapsed following a series of earthquakes between 956 and 1323 AD the modern era of lighthouses began at the turn of the 18th century advances in structural engineering and new and efficient lighting equipment allowed for the creation of larger and more powerful lighthouses, including one which is built on a sea the main source of power for the light today is electricity , solar power although in some places they use acetylene gas earlier source of illumination were wood pyres and burning coal then the Argand lamp invented in 1782 revolutionized lighthouse illumination with its steady smokeless flame the oil were use for argand lamp was whale oil, colza ,olive oil or other vegetable oil as fuel after that kerosene become popular as a fuel after certain inventions the use of gas as illuminant became widely available with the invention of the dalen light by swedish engineer when argand invented the smokeless flame lamp which gives steady illumination then the application of optical lenses to increase and focus the light intensity became a practical possibility after several modification in lenses the first fresnel lens was used in 1823 at Corduan lighthouse ,the advantages of fresnel lenses was, it can be made much thinner than a comparable conventional lenses, and lens can also capture more oblique light from a light source thus allowing the light from lighthouse to visible over greater distance during fog when the lighthouse light isn’t visible and blocked by fog in this situation there were another method of notifying the mariner using sound which is called as FOG HORN “Fog Horn Sound” the staffs posted and responsible for the operation of lighthouse are known as light keeper or navigational assistant before the days of electricity they had to light the lamp at sunset and extinguish it at sunrise during the night they had to climb the stairs 1 or 3 times to check on the light and wind the weights that operated the clock (that is mechanical structure to rotate the light ) it was very important to keep both the lens and the lantern room windows clean so the light would not be diminished in any way a daily log had to be kept detailing everything from the weather to the amount of fuel consumed from the weather to the amount of fuel consumed the keepers are a group of people who selflessly staffed at isolated stations to help and ensure the safety of others

11 thoughts on “Lighthouse purpose| why lighthouse is built| by Lighthouse Diaries

  1. Good info. Actually in my childhood, I was curious about the light house! My dad then told me about the history and story about light house!! In this video, here also some good information… Reminding me those days 🙂

  2. Namaskar bhava,
    Mi pan vengurle madhe rahto.tu kharach khup chaan video taktos.mala tuzya sobat collaboration video karaycha hota.interested asashil tar mala e-mail kar.channel var about section madhe maza e-mail milel.

  3. Was browsing to know “how” lighthouse signals / warns / indicate to sea vessels, and how are signals coded, thought ‘Purpose of Lighthouse’ title will tell that, but was disappointed as all the narration was “generalised” by covering little of everything!

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