The optics of Friedrichsort Lighthouse dates from the
year 1937 (1936). The focal length of the optics is 250 mm and a 400 W metal
halide lamp generates an approximately 28,000 cd strong direction light.
Friedrichsort Lighthouse still offer shipping on Kiel
Fjord reliable information for navigation. The lighthouse is remotely controlled
and monitored and equipped with redundant systems.
This postcard came from Gundula (20 January 2015)
Postcrossing.
No comments:
Post a Comment