48
-sea
Enclosure to Letter No&f.
REL
A flashing first. order gaat
- light to be erected on the Gap Rock South of Hongkong. Estimated height of Rook, 70 feet. Height of towars, 30 feet. Height of light above era-
120 feet.
hoisting
e-level,
Derrick and apparatus for
and landing persone
and
لب بعدی
olores . Keepers Quarters, Water-tanks
and typhom - proof outbuildings ~_ complete.