| | | Muz. |
| | | | | Engy.|
Calibre|Wt., lbs. | Muz. Vel.| | | Ft. | Type of
Inches |Projectile| Ft. Secs.| R.P.S.| R.P.M.| Tons | Gun
-------+----------+----------+-------+-------+------+------------
3 | 12 | 870 | 139 | 8,340| 63 |Hotchkiss
3.2 | 13.5 | 1,685 | 253 | 15,180| 266 |Field '90
3.6 | 20 | 1,550 | 206 | 12,360| 333 | " 1891
3.6 | 20 | 650 | 86 | 5,160| 59 |Mortar 1890
5 | 45 | 1,830 | 176 | 9,560|1,045 |Siege 1890
7 | 105 | 1,085 | 76 | 4,560| 853 |Howitzer '90
7 | 125 | 690 | 49 | 2,940| 412 |Mortar '92
-------+----------+----------+-------+-------+------+------------

U.S. SEA-COAST LAND SERVICE GUNS

-------+----------+----------+-------+-------+--------+----------
| | | | | Muz. |
| | | | | Engy. |
Calibre|Wt., lbs. | Muz. Vel.| | | Ft. | Type of
Inches |Projectile| Ft. Secs.| R.P.S.| R.P.M.| Tons | Gun
-------+----------+----------+-------+-------+--------+----------
8 | 300 | 1,950 | 111 | 6,660 | 7,907 | 1888M
10 | 575 | 1,975 | 95 | 5,700 | 15,548 | 1888M
12 | 1,000 | 2,100 | 84 | 5,040 | 30,750 | 1902
16 | 2,370 | 1,975 | 59 | 3,540 | 64,084 |
-------+----------+----------+-------+-------+--------+----------

KRUPP GUNS

-------+----------+----------+-------+--------+-------+----------
| | | | | Muz. |
| | | | | Engy. |
Calibre|Wt., lbs. | Muz. Vel.| | | Ft. | Type of
Inches |Projectile| Ft. Secs.| R.P.S.| R.P.M. | Tons | Gun
-------+----------+----------+-------+--------+-------+----------
6 | | 2,600 | 192 | 15,520 | |
| | 3,000 | 222 | 13,320 | |
8 | | 2,200 | 133 | 7,980 | |
10 | | 2,250 | 108 | 6,480 | |
12 | | 2,250 | 90 | 6,400 | |
-------+----------+----------+-------+--------+-------+----------

From the above table it will be noted that the R.P.M. are exceedingly
high in