Statistics for occurrence #1 of “Ericsson” in chapter 13 of Admiral David D. Porter, The Naval History of the Civil War.:

...rmy began to talk of improvising a Navy of their own, and the Navy Department sent Commander John Rodgers to St. Louis to superintend the construction of an army flotilla. While the North had its Ericsson , the West was fortunate in possessing, in the person of Mr. James B. Eads, the very man for the occasion. Mr. Eads undertook to build seven large gun-boats, heavily plated on the bow and lighter on...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
John Ericsson 394 59 18 1 0 user votes
Ericsson 82 0 14 0 0 user votes
J. Ericsson 45 0 1 0 0 user votes
O. A. Ericsson 7 0 1 0 0 user votes
A. Ericsson 2 0 0 0 0 user votes
Leif Ericsson 2 0 0 0 0 user votes
Thorstein Ericsson 2 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.