282 Charges of grea test Efficacy for Artillery at Sea . 
Nature 
of 
Ordnance. 
Thickness of the Side of the Yessel, plus the Radius 
of the Ball. 
12 Inches. 
13 Inches. 
14 Inches. 
15 Inches. 
Pounder. 
12 
lbs. 
1*439242 
lbs. 
1*559178 
lbs. 
1*679116 
lbs. 
1*799052 
18 
1*928571 
2*089285 
2*249999 
2*410714 
24 
2*336650 
2*531371 
2*726091 
2*920813 
32 
2*830470 
3*066343 
3*302215 
3*538088 
36 
3*061630 
3*316766 
3-571901 
3*827038 
42 
3.393180 
3*675949 
3*958710 
4*241475 
16 Inches. 
17 Inches. 
18 Inches. 
19 Inches. 
12 
lbs. 
1*918987 
lbs. 
2*838926 
lbs. 
2*158863 
lbs. 
2.278800 
18 
2*571428 
2*732142 
2*892856 
3*053571 
24 
3*115533 
3*310254 
3*504975 
3*699696 
32 
3*773960 
4*009833 
4-245705 
4*481578 
36 
4*082173 
4*337310 
4*592445 
4*847581 
42 
4*524240 
4*806905 
5*089770 
5*372535 
20 Inches. 
21 Inches. 
22 Inches. 
23 Inches. 
12 
lbs 
2*398737 
lbs. 
2*518674 
lbs. 
2*638612 
lbs. 
2*758547 
18 
3-214285 
3*374999 
3*535714 
3*696428 
24 
3*894417 
4*089137 
4*283859 
' i 
4*478580 \ 
32 
4*717350 
1 4*953323 
5*189195 
5*425068 | 
36 
5*102717 
| 5*357853 
5*612988 
5*868124 | 
) 
42 
5*655300 : 5*938065 
6*220830 
6*670262 j 
