Catalog
The megaphone on ships was often made of brass, it was an instrument intended to direct and amplify the sound of the voice to give orders for maneuvers.
It has been replaced by portable radios.
A fog horn is a maritime signaling instrument on board vessels or on headlights, emitting sound signals in misty weather to signal an obstacle or hazard (r...
The megaphone on ships was often made of brass, it was an instrument intended to direct and amplify the sound of the voice to give orders for maneuvers.
It has been replaced by portable radios.
A fog horn is a maritime signaling instrument on board vessels or on headlights, emitting sound signals in misty weather to signal an obstacle or hazard (reef, bench, jetty ..) or to signal their presence.
