Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Tools and Equipment (hierarchy name)
5. equipment
6. [equipment by process]
7. explosive equipment
8. primers (explosive equipment)

Anotations

Scope note:

Devices that initiate the firing of muzzle-loading cannons. Comprised of a copper tube filled with powder attached to the vent of the cannon with its tip in the powder charge. On this tube a short tube containing a friction composition. Lying in the composition was the roughened end of a wire slider, The other end of the slider was twisted into a loop for hooking to the gunner's lanyard. Pulling on the lanyard caused the slider to ignite the composition.