Statistics for occurrence #1 of “S. B. Dean” in entry cannon of Harper's Encyclopedia of United States History:

... of Bull Run, July 21, 1861. Gatling rapid-firing gun, from five to ten barrels around one common axis; tenbarrel Gatling discharges 1,200 shots a minute; range, 3,000 yds.; invented in 1861. S. B. Dean , of South Boston Iron Company, patents a process of rough boring bronze guns and forcibly expanding the bore to its finished size by means of mandrels, 1869. Pneumatic dynamite torpedo-gun built ...
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S. B. Dean 18 2 0 0 0 user votes

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