| 2722 |
---------+--------------+------------+----------+----------+
502. RANGES WITH 13-INCH MORTARS, AT 45 deg. ELEVATION.
Weight of Shell, 200 lbs.
+----------+----------+-----------------+--------+
| CHARGE. | FLIGHT. | FUZE. | RANGE. |
+----------+----------+-----------------+--------+
| Lbs. oz. | Seconds. | Inches. 10ths. | Yards. |
| 7 | 21.4 | 4 2-2/3 | 2190 |
| 7 8 | 22.4 | 4 4 | 2346 |
| 8 | 23.2 | 4 6 | 2480 |
| 8 8 | 23.8 | 4 7-1/2 | 2600 |
| 9 | 24.4 | 4 8-3/4 | 2734 |
| 9 8 | 24.9 | 4 9-3/4 | 2853 |
| 10 | 25.4 | 5 1 | 2958 |
| 10 8 | 25.9 | 5 1-3/4 | 3026 |
| 11 | 26.3 | 5 2-1/2 | 3150 |
| 11 8 | 26.7 | 5 3-1/2 | 3246 |
| 12 | 27.0 | 5 4 | 3327 |
| 12 8 | 27.4 | 5 4-3/4 | 3404 |
| 13 | 27.7 | 5 5-1/2 | 3470 |
| 13 8 | 28.0 | 5 6 | 3552 |
| 14 | 28.3 | 5 6-1/2 | 3617 |
| 14 8 | 28.5 | 5 7 | 3681 |
| 15 | 29.0 | 5 8 | 3739 |
| 15 8 | 29.1 | 5 8-1/4 | 3797 |
| 16 | 29.2 | 5 8-1/2 | 3849 |
| 16 8 | 29.4 | 5 8-3/4 | 3901 |
| 17 | 29.6 | 5 9 | 3949 |
| 17 8 | 29.8 | 5 9-1/2 | 3997 |
| 18 | 29.8 | 5 9-3/4 | 4040 |
| 18 8 | 30.0 | 6 | 4085 |
| 19 | 30.2 | 6 0-1/4 | 4123 |
| 19 8 | 30.3 | 6 0-1/2 | 4160 |
| 20 | 30.5 | 6 1 | 4200 |
+----------+----------+-----------------+--------+
503. TABLE OF ALLOWANCES.
Subjoined is a list of articles which are indispensable for the
service required, and must be kept in readiness at or near every
mortar, in some secure position:
Tube-boxes 4
Straps for boxes 4
Quill-tubes 400
Friction-tubes 600
Fuze-composition for priming 12 lbs.
Powder-bags 250
Port-fires 100
Port fire-sticks 4
Rasps, half round 4
Cotton wick
|