Fuse Tables.
Tables showing American and French fuses to be used by our Field Artillery, with information concerning markings, color, time of delay, size of fuse, etc.
DETONATING FUSES.
| Time of delay. | Color. | Size of Fuse. | Corresponding to. | Cannon. | |
| MK I | 2-100 | White head. | Short. | Russian 3GT. | 3” gun for target practice only. |
| M II (non delay) | 2-100 | 8”, 9.2”, | |||
| MK II (non delay) | 2-100 | White top. | Short. | 204-m/m. | |
| MK II (short delay) | 5-100 | Black top. | Short. | Modified. | Gun and Howitzer. |
| M II (long delay) | 15-100 | Black head. | Short. | Russian. | |
| MK III (Supersensitive) | zero | No color. | Long. | French IAL. | 75 G; 3.8”G and H; 4.7 in. G and H; 6”H; 155H; all gas shells. |
| MK IV (non-delay) | 2-100 | White top. | Short. | French 24/31 SR (99-15). | Howitzer only. |
| MK IV (short delay) | 5-100 | Black top. | Short. | French 24/31 AR (99-15). | Howitzer only. |
| MK IV (long delay) | 15-100 | Black top violet detonator socket. | Short. | French 24/31 SR (99-15). | Howitzer only. |
| MK V (non-delay) | 2-100 | White top. | Short. | French 24/31 SR (99-08). | All guns, but not Howitzers. |
| MK V (short delay) | 5-100 | Black top. | Short. | French 24/31 AR (99-08). | All guns, but not Howitzers. |
| Mark—VII (non delay) | 2-100 | White. | Short | 6” T. M. | |
| Mark VII (long delay) | 20-100 | Black top with violet detonator socket | Short | 6” T. M. | |
Letter “E” after mark VII indicates safety device.
Note:—All American point detonating fuses are stamped on head cap in letters and figures, .125 in high, with name of use, amount of delay, initials of loader, lot and number; thus: PDF. MIV, xx Delay, FA, Lot No. xx.
45-SECOND COMBINATION FUZE MARK I.
21 SECOND COMBINATION FUZE MODEL OF 1907 M.
COMBINATION FUSES.
| Fuse. | Total time burning Sec. | Corresponding French Type. | On what projectile used. | By what cannon fired. | Wt. of fuse. |
| 21 s/comb. F. A., 1907 M. | 21 | 22/31M 1897, 24 sec. | Com. Shrapnel. MKi. | All 3” and 75-mm guns | 1¼ lbs. |
| 21 s/comb. F.A., 1915 | 21 | 22/31M 1916, 24 sec. AA. | Com. Shrapnel. MKi. | All 3” and 75-mm guns | 1¼ lbs. |
| 31 s/comb. F. A. 1915 | 31 | 30/55M 1889, 40 sec. | Com. Shrapnel. | 4.7” gun. | 2 lbs. |
| 45 s/comb. F. A. 1907 M. | 45 | Same as above. | |||
| 30/55M 1889, 40 sec. | Com. Shrapnel, MKi. | 155 How. | |||
| 30/55M 1913, 40 sec. AA. | C. S. Shell AA MKiii AA. Shrapnel. | 4.7” gun Anti-aircraft. |
ACTION OF AMERICAN AND FRENCH DETONATING FUSES.
| Time | zero | 1/100 | 2/100 | 5/100 | 15/100 |
| Color | No color. | Red. | White. | Black. | Black with violet socket. |
| American | MKii | None being made. | MK i | MK ii (SD) | MK ii (LD) |
| Detonating | Fuse is considered | MK ii (ND) | MK ii (SD) | MK iv (LD) | |
| unsafe | MK iV (ND) | MK V (SD) | |||
| safe | MK iV (ND) | MK V (SD) | |||
| Fuses | Will be abandoned by French | MK V (ND) | |||
| French detonating fuses | iAL. | 1 | SR. | AR. | LR. |