FUSES
SERVICE FUSE
No. 11 Safety or Time Fuse
Description. Color, black. Smooth surface.
Time of Burning. One foot in thirty seconds.
Composition. Train of slow match inside a wrapping of hemp or flax, covered by layer of gutta-percha, surrounded by binding of black waterproof tape.
INSTANTANEOUS OR QUICK FUSE
Color, red. Ribbed surface.
Time of Burning. Eighty feet per second.
Composition. Same as service fuse, except that it contains quick match in place of slow match.