Statistics for occurrence #1 of “Whitworth” in chapter 9 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 5: Forts and Artillery.:

...ers, a number of guns of various makes, Whitworth, Armstrong, James, Blakely, and Hotchkiss, were brought in through the blockade. The gun in this photograph is a modified 12-pounder breech-loading Whitworth . The breech was open when the picture was taken. The breech mechanism was adopted from the British Armstrong type and from the French system. In the Armstrong breech-loading gun the breech-bloc...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Whitworth 202 8 10 0 0 user votes
Joseph Whitworth 49 0 3 0 0 user votes
James Whitworth 7 0 1 0 0 user votes
John S. Whitworth 7 0 3 0 0 user votes
William Whitworth 6 0 0 0 0 user votes
English Whitworth 4 0 0 0 0 user votes
Jonathan S. Whitworth 4 0 0 0 0 user votes
Benjamin Whitworth 2 0 0 0 0 user votes
H. E. Whitworth 2 0 0 0 0 user votes
Horace Whitworth 2 0 0 0 0 user votes
J. C. Whitworth 2 0 0 0 0 user votes
J. D. Whitworth 2 0 0 0 0 user votes
Thomas Whitworth 2 0 0 0 0 user votes
William R. Whitworth 2 0 0 0 0 user votes
J. S. Whitworth 1 0 1 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.