The first lighthouse at Bogskär, Finland, soon after its completion. Image published in 1883 calendar of the Finnish Lifelong Learning Foundation (p. 91).
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<a rel="nofollow" class="external free" href="https://urn.fi/URN:NBN:fi-fd2013-00003276">https://urn.fi/URN:NBN:fi-fd2013-00003276</a>