Mortar Practice at 15°, 25°, and 45° Elevation. 1838.
13 INCH IRON.					10 INCH IRON.					8 INCH IRON.
Weight		36 cwt.			Weight		16 cwt. 2 qrs.			Weight		8 cwt. 1 qr.
*Shell filled			200 lb.		Shell filled			92 lb.		Shell filled			46 lb.
Burst. powder			6 lb. 12 oz.		Burst. powder			2 lb. 10 oz.		Burst. powder			1 lb. 14 oz.
Blowing powder			2 oz.		Blowing powder			1½ oz.		Blowing powder			1 oz.
Eleva- tion.	Charge.		Fuze.	Range.	Eleva- tion.	Charge.		Fuze.	Range.	Eleva- tion.	Charge.		Fuze.	Range.
degs.	lb.	oz.	in.	yds.	degs.	lb.	oz.	in.	yds.	degs.	lb.	oz.	in.	yds.
45	2	1½	1·9	450	45	1	½	1·9	450	15		14	·8	500
	2	3	2·	500		1	2	2·	500		1		1·	550
	2	4¾	2·1	550		1	3¼	2·1	550		1	2	1·1	600
	2	6	2·2	600		1	4¾	2·2	600	45		9½	1·9	450
	2	7¾	2·3	650		1	6	2·3	650			10¾	2·	500
	2	9½	2·4	700		1	7½	2·4	700			12½	2·1	550
	2	11¾	2·45	750		1	9	2·45	750			13¾	2·2	600
	2	14	2·5	800		1	10	2·5	800			14½	2·3	650
	3	½	2·55	850		1	11	2·55	850			15½	2·4	700
	3	3	2·6	900		1	12	2·6	900		1		2·45	750
	3	5½	2·65	950		1	13	2·65	950		1	½	2·5	800
	3	8	2·7	1000		1	14	2·7	1000		1	1¼	2·55	850
	3	10	2·75	1050		1	15¼	2·75	1050		1	2	2·6	900
	3	12	2·8	1100		2	½	2·8	1100		1	2¾	2·65	950
	3	14	2·85	1150		2	1¾	2·85	1150		1	3½	2·7	1000
	4		2·9	1200		2	3	2·9	1200		1	4	2·75	1050
	4	5	3·	1300							1	4¾	2·8	1100
	4	15	3·2	1500							1	5¼	2·85	1150
	5	10	3·4	1700							1	6	2·9	1200
* The Shells were filled with sand.

	Part 2 of 2
5½ INCH BRASS.					4⅖ INCH BRASS.
Weight		1 cwt. 1 qr. 10 lb.			Weight		3 qrs. 19 lb.
Shell filled			16 lb.		Shell filled			8 lb.
Burst. powder			10 oz.		Burst. powder			5 oz.
Blowing powder			½ oz.		Blowing powder			½ oz.
Eleva- tion.	Charge.		Fuze.	Range.	Eleva- tion.	Charge.		Fuze.	Range.
degs.	lb.	oz.	in.	yds.	degs.	lb.	oz.	in.	yds.
15	6		·7	350	15	4	8	·8	450
	7		·75	400		4	12	·85	500
	7	8	·8	450	25	4		1·1	540
	8		·85	500
25	5	8	1·1	480
45	4	8		300	45	2	6	1·65	300
	4	12		350		2	9	1·7	350
	5		1·75	400		2	12	1·75	400
	5	4	1·8	450		3		1·8	450
	5	8	1·85	500		3	4	1·85	500
	5	12	1·9	550		3	8	1·9	550
	6		1·95	600		3	12	1·95	600