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Pasig River Light
The Pasig River Light was the first light station in the Philippines when it was established in 1642. The first lighthouse tower in the country was erected in the station and first lit in 1846. It was then located on the north jetty at the mouth of Pasig River in San Nicolas, Manila, marking the entrance of the river for vessels cruising Manila Bay, looking to dock on the inland Port of Manila that was then located along the banks of the Pasig River in Binondo and Intramuros.
The first lighthouse, which was known locally as ''Farola'' (Spanish for "lighthouse"), was one of the most conspicuous landmarks in the harbor of Manila from the time it was built till the early part of 20th century.〔Vargas, Jose B. (1934), "A Brief Outline of Aids to Navigation", pg. 21. Port of Manila and other Philippine Ports Yearbook.〕 The construction and land reclamation of the new Port of Manila along Manila Bay, south of the light station, and the subsequent expansion and reclamation north and west of the tower, had greatly altered the location of the lighthouse, obscuring the light from the wide expanse of Manila Bay. Its former location and the location of its replacement tower is about upriver from the present mouth of the river
==1846 lighthouse tower==
The cylindrical first tower was a five-story stone tower including the gallery-lantern room. The unique feature about this lighthouse was the placement of the first four levels, which were in tangent circles if seen from above (meaning the four circles are sharing one point of their sides or in tangent),〔("5 Tangent Circles" ). Clip Art Etc. Retrieved on 2014-10-31.〕 except for the gallery-lantern room, which is centered above the fourth level. Behind the tower was the lighthouse keepers house that was detached from the tower also made of masonry.
The white tower had an effective focal point height of above sea level and sat at the end of the north jetty at the Pasig River mouth. Its original light was a fixed white light visible for .〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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