Peiyushan lighthouse, Admiralty P3682
28°53'00.3"N 122°15'46.3"E
https://goo.gl/maps/ucAKLHsZ6wp (https://goo.gl/maps/ucAKLHsZ6wp)
built in 1895, by China, it cost fifty thousand customs silver taels,
Hyper radial lenses comes from Barbier & Benard Company, France,
WWII, Because of the Japanese occupied the lighthouse, US aircraft bombing in 1944,
lens and lantern damaged, inactive since 1944,
http://uslhs.org/hyper-radial-lenses (http://uslhs.org/hyper-radial-lenses)
https://www.hpcbristol.net/visual/dh-s002 (https://www.hpcbristol.net/visual/dh-s002)