<a href="https://en.wikipedia.org/wiki/Ott%C3%B3_Titusz_Bl%C3%A1thy" class="extiw" title="en:Ottó Titusz Bláthy">Ottó Titusz Bláthy</a> (1860–1939) Hungarian mechanical engineer  (derivative work)
Unknown author<span style="display: none;">Unknown author</span>
2011-11-01
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