Kyo Ga Saki Lighthouse
It is a lighthouse built for the 19th century.
A machine turning a lens of this lighthouse is called a mercury tank type turn machine.
He invented it so that French engineer "Pool Duyu" turned a heavy lens smoothly in 1893.
They purchased a thing exhibited in an international exposition held as
epoch-making invention in Paris at the time as it is and seem to have built it here.