Statistics for occurrence #1 of “Whitworth” in chapter 5 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.:

...arge. Besides the home-made guns, which were all muzzle-loaders, a number of guns of various make, Whitworth, Armstrong, James, Blakely, and Hotchkiss, were brought in through the blockade. Two Whitworth s were sent to the Army of Northern Virginia. They had a great reputation for range and accuracy of fire, but beyond the shelling of distant columns and trains, proved a disappointment. The length...
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.