
This fuse is smaller in diameter than service safety fuse and can be used only with Briska Detonators No. 6. The burning rate is approximately 2 feet per minute. The fuse is weather proofed, not waterproofed, but will burn under water not exceeding 10 fathoms in depth, provided it has not been immersed for more than 15 minutes.
No information about functioning.
Nothing else to see.
OP 1665, British Explosive Ordnance (1946)