Statistics for occurrence #1 of “John Ericsson” in chapter 12 of Admiral David D. Porter, The Naval History of the Civil War.:

... far behind time in building, and the other was a little nondescript that no one in the Navy Department, with the exception of Commodore Joseph Smith, had any confidence in. This vessel, designed by John Ericsson , was to be paid for only in case she proved successful against the enemy's batteries; but had the steam frigates been cut down and plated we need have given little anxiety to the appearance of the Me...
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Entity Corpus Doc Corpus Doc  
John Ericsson 394 59 18 1 0 user votes

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