Lynn Korwatch located on top of Telegraph Hill. George F. Sweeney and Theodore F. Baugh were the two individuals to present the idea of a wooden semaphore on top of Telegraph Hill. A semaphore is a system in which one uses two flags or poles and sends signals in an alphabetic code. Sweeney and Baugh expanded their system by placing a signal station on Point Lobos, which is located 20–30 miles from port in San Francisco. The reasoning behind this was that there was high demand from people wanting to know when the ships were arriving at an earlier time so that
Coat of arms of the Republic of Ragusa they ordered flags to be made from Venice containing the arms of Kingdom of Hungary and in 1362 they also ordered flags with Saint Blaise. According to some sources the use of the Hungarian arms depended on various foreign policy conditions and so the government of the Republic of Ragusa issued an order to all ship captains that they should not assert any other symbols except those of the Republic (with Saint Blaise) and those of the Hungarian kingdom. In Dubrovnik the coat of arms with the red and white bars became widely accepted as the arms of the Republic