Constellation Similarity Assertions
Dahlgren, John Adolphus Bernard, 1809-1870
U.S. naval officer and inventor of ordnance.
From the description of Reports to Commodore L. Warrington on ordnance, 1848-1849. (New York University, Group Batchload). WorldCat record id: 58671341
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Maybe-Same Assertions
There are 2 possible matching Constellations.
Dahlgreen, John Adolphus Bernard, 1809-1870.
http://n2t.net/ark:/99166/w6x65pmh (person)
No biographical history available for this identity.
Dahlgren, J. A. (John Adolphus Bernard), 1809-1870.
http://n2t.net/ark:/99166/w6ks9gxb (person)
No biographical history available for this identity.