-pounder bronze field gun, Model of 1838. Total length, 59.3 inches; weight, 690 pounds; total production, 96 by Cyrus Alger and N.P. Ames; known survivors, 29. A shorter version of the bronze Model of 1835 above with the same Registry Number series continuing from it for both foundries. Markings on bronze Models of 1835 and 1838 fieldpieces. Unlike the markings on earlier and later cannon, the Registry Number, weight and inspectors' initials are located on the upper breech. 6-pounder bronze field gun, Model of 1840. Total length, 59.3 inches; weight, 812 pounds; total production, 27 by N.P. Ames; known survivors, 4. A slightly thicker version of the bronze Model of 1838 above with the Registry Number series continuing from it. 6-pounder bronze field gun, Model of 1841. Total length, 65.6 inches; weight, 880 pounds; total production, 817 for U.S. Army Ordnance by Alger (197), Ames (540), Hooper (8), Marshall (23), and Revere (2) plus perhaps 50 more for various state agencies; known survivors, 325. Many of these guns were reamed and rifled to 3.80-inch James rifles, Type 1, at the beginning of the Civil War. 6-pounder bronze cadet gun by Cyrus Alger. Total length, 50.5 inches; weight, 570 pounds. Four of these guns were produced for Virginia Military Institute in 1848, two for Arkansas Military Institute in 1851, and four for Georgia Military Institute in 1852. Of these ten, seven are known to survive. These guns were intended only for drill and instruction; however, a shortage of fieldpieces in the Confederacy at the beginning of the Civil War resulted in their being commandeered for active duty. ...