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In century#27,333
Julius Hermann Kroehl was a German American inventor and engineer. He invented and built the first submarine able to dive and resurface on its own, the Sub Marine Explorer, technically advanced for its era. His achievements in architecture, civil engineering, and mechanical engineering were also significant.
Also inDeutsch
Scientists born in the 1820s 6
About this person
Category
Scientists
Type
Scientist
Status
deceased
Dates
Lived 1820 to 1867 · aged 47
Written about in
8 languages
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