Man 1

A facinating shot of an installation I never knew existed. They are not RN personnel-the cap badges are nor RN, and RN sailors are not allowed mostaches. The are most likely Harbour Master Office staff, probably ex military or naval.

Britain used to run many coastal signal stations, Lloyd's operated them on UK mainland, some of them still exist in other uses. They were not just there for security, they facilitated the timely provision of harbour services, and collection of harbour dues, and to notify shipping agencies of the pending arrival of their vesselds