A stone staircase was cut to the southern counterfort plus a room large enough for a team of six men.
2.
Despite their proximity, the two towers differ greatly in construction, a difference that extends to the counterfort is made of small, irregularly fitted stones.
3.
The term " "'counterfort " "'can be synonymous with buttress, and is often used when referring to dams, retaining walls and other structures holding back earth.
4.
At the following dawn, Turkish engineering corps built a counterfort on a place called ( " Castle Crag " ) where Turkish artillery started a cannonade against the castle gate using three cannon and six howitzers.
5.
The counterfort with the staircase was roofed with wooden boards and tin sheets in 1869 . A telegraph installation and rescue stations were established near the lighthouse in the same year; the first-established worked until 1898 when it was replaced by a telephone.