Statistics for occurrence #1 of “Parrott” in chapter 6, page 85 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.:

...ht mortars, with emplacements for 1,120 guns more. There were also 35,711 yards of rifle-trenches and three blockhouses. Fort Lyon, above pictured, lay across Hunting Creek from Alexandria. The Parrott guns were rifled cannon of cast-iron, strengthened at the breech by shrinking a band of wrought-iron over the section which contained the powder charge. The body of the larger Parrott guns was cast...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Parrott (Virginia, United States) 26 2 0 0 0 user votes
Parrott (Georgia, United States) 4 0 0 0 0 user votes
Parrott (Colorado, United States) 0 0 0 0 0 user votes
Parrott (Ohio, United States) 0 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.