Description
This switch is designed for boobytrap installations where initiation by either pull or pressure is desired.
In December 1943, the following instructions were issued by the Chief Engineer, Allied Force Headquarters: “This switch (No. 7) is defective, and if in possession of units will be destroyed.”
Functioning
No information about functioning.
See Also
Nothing else to see.
Source(s)
OP 1665, British Explosive Ordnance (1946)
