13. What is the entire length of each mortar?

13-inch, 53 inches; 10-inch sea-coast, 46 inches; 10-inch siege, 28 inches; 8-inch, 32.5 inches; stone mortar, 31.55 inches; coehorn, 16.32 inches.

14. What are the weights of mortars?

13-in., 11,500 lbs.; 10-in. sea-coast, 5,775 lbs.; 10-in. siege, 1,852 lbs.; 8-in., 930 lbs.; stone mortar, 1,500 lbs.; coehorn, 164 lbs.; eprouvette, 220 lbs.

15. What are the weights of the different mortar beds?

8-in. siege, 920 lbs.; 10-in. siege, 1,830 lbs.; coehorn, 132 lbs.; eprouvette, 280 lbs.

16. What are the diameters of the bores of the stone, coehorn, and eprouvette mortars?

Stone mortar, 16 inches; coehorn, 5.82 inches; eprouvette, 5.655 inches.

17. What is the length of the bore, exclusive of the chamber, of the different mortars?

13-in., 26 inches; 10-in. sea-coast, 25 inches; 10-in. siege, 15 inches; 8-in., 12 inches; stone mortar, 19.8 inches; coehorn, 8.82 inches; eprouvette, 11.5 inches.