639.—(1) A general lighthouse authority may take and purchase any land which may be necessary for the exercise of their lighthouse powers, or for the maintenance of their works or for the residence of the light keepers, and for that purpose the Lands Clauses Acts shall be incorporated with this Act and shall apply to all lighthouses to be constructed and all land to be purchased under the powers thereof.

(2) A general lighthouse authority may sell any land belonging to them.