45:2 
MINUTES OF PROCEEDINGS OF 
Results of Experimental Firing carried on in October 1873, at Fort Monroe, 
Virginia, by a Board of U.S. Officers, General Gillmore President, tlte 
pieces tried being 0*4 2-in. calibre Gatling Gun, 4 ‘62-in. calibre Bronze 
Gun (12 -pr. Napoleon), and 8-in. Siege Howitzer. 
Canvass target, 9 ft. liigh by 45 ft. wide. At 500 yds. 
Pieces and ammunition employed. 
No. of 
shots 
fired. 
No. of 
hits. 
0’42-in. calibre Gatling gun, firing solid sbot;^ time, lmin. 30 secs. ... 
12-pr. Napoleon, with time fuze, firing spherical case containing") 
82 lead balls 0-69 in. diameter; 7 rounds fired; time, 1 min. 30 secs.) 
600 
574 
lead balls 
557 
| 55 
12-pr. Napoleon, 6 rounds fired; time, lmin. 30secs.| 
492 
lead balls 
J 184 
8-in. siege howitzer, with time fuze, firing spherical case containing") 
486 lead balls 0‘69 in. diameter; 4 rounds fired; time, 1 min. 30 secs, j 
1944 
lead balls 
| 112 
At 800 yds. 
0’42-in. calibre Gatling gun, firing solid shot, deliberately (aim un-") 
knowingly too high) . ) 
0-42-in. Gatling gun, firing solid shot, deliberately. 1 
12-pr. Napoleon gun, with time fuze and spherical case, as above;") j 
7 rounds fired deliberately . ) j 
i 12-pr. Napoleon gun, with time fuze and spherical case as above;! 
7 rounds fired deliberately .) 
! 8-in. siege howitzer, with time fuze and spherical case, as at 500 yds.; ^ : 
4 rounds fired deliberatelv . ) j 
1 
600 
600 
574 
lead balls 
574 
lead balls 
1944 
lead balls 
106 
534 
} 3 
| 35 
1 0 
* The ammunition used with this Gatling was “Berdan’s centre-fire metallic case cartridge.” 
Weight. 
grs. 
0‘42-in. calibre projectile. 370 
Metallic case and lubricant . 163 
Powder (Hazard’s Gatling powder, No. 1) . 77 
610 
Comparative Effect of Field Guns (12 and 9 -pr.) and small Mitrailleuses, 
at different ranges, summed up, and weight of Ammunition expended 
shown .. 
1st Experiment. 2nd Experiment. 
Small 
Gatling. 
Mitrailleur. 
12-pr. 
B.L. 
9-pr. M.L. 
Small 
Gatling. 
Mitrailleur. 
12-pr." 
B.L. 
9-pr. M.L. 
lbs. 
hits. 
lbs. 
hits. 
lbs. 
hits. 
lbs. 
hits. 
lbs. 
hits. 
lbs. 
hits. 
lbs. 
hits. 
lbs. 
hits. 
53 
369 
25 
171 
121-5 
268 
107 
208 
— 
— 
25 
172 
60 
138 
45 
162 
39 
310 
30 
178 
121-5 
166 
118 
236 
16 
169 
25 
177 
60 
118 
45 
110 
56 
522 
30 
127 
94’5 
142 
75 
283 
— 
25 
107 
60 
164 
45 
78 
30-5 
| 229 
25 
154 
82-0 
152 
53 
118 
16 
183 
25 
106 
60 
203 
45 
124 
41-5 
* 
80 
33 
94-5 
218 
86 
294 
— 
— 
i — 
— 
— 
— 
— 
— 
220 
,1192 
no 
1 _ 
663 
514 
| 
946 
439 
1139 
32 
352 
100 
562 
j 240 
I' , 
623 
180 
474 
