The history of the principal ocean disasters of late years shows that adequate provision has not yet been made against the greatest danger of the sea. It is fog, rather than fire or storm ...

but from present-day knowledge and experience it cannot be said that etheric vibrations are available for fog-signal purposes at sea. In a paper recently read before the Society of Arts ...

The Royal National Lifeboat Institution (RNLI) has advice for people out at sea. The charity says people ... They should make themselves visible and use fog signals. If you are planning on going ...