A MONTH ON KENTISH KNOCK LIGHTSHIP 3 



are respectively the nearest points of land, while it is 

 moored two miles east of the extensive sandbank from 

 which it takes its name — a bank which is entirely 

 submerged at all states of the tide. The following 

 table affords some further information regarding its 

 geographical relations : — 



The vessel is equipped with a white revolving light, 

 throwing out three beams each of 1 2,000 candle-power, 

 and making a complete revolution in three minutes. 

 As it lies in the direct course of all the east-coast traffic 

 passing north and south via the English Channel, and 

 en route to and from the Thames, it is furnished with 

 a siren of exceptional power, for use in times of fog or 

 haze. This horn was a veritable bite noire to me during 

 my early days on board the ship, though I afterwards, 

 except during the night, came to regard its hideous and 

 nerve-rending blasts with indifference. 



