During the winter and spring nights, fog often forms in Estonian maritime waters. In case of poor visibility or fog, the seafarers were notified of the danger and aided in navigation by fog signals. Then the crew of the lighthouse started to ring a bell at certain intervals. In later years, a siren was installed. The Suurupi Rear Lighthouse controlled the Front Lighthouse and the Ninamaa siren station, which was on the Ninamaa cape, 1500 m from the Rear Lighthouse, and where a whole complex of a siren and service buildings were built in 1898. Today, the siren building, dwelling, sauna and a tilted mast of the nautophone remain of the siren complex. Every year, the stormy sea gnaws away at the Ninamaa cape and the historic complex faces impending destruction.
A whole complex of a siren and service buildings were built in 1898.
Lighthouse – AGA’s true core business until the 1980’s. Lighthouses were AGA´s true core business until the beginning of the 1980s. This product area still lives on through Pharos Marine/Automatic Power, today the world leader in navigational aids. Gustaf Dalén’s most famous invention was probably the sun valve. It consists of a central, blackened, light absorbing metal rod surrounded by …