He had one of these little tubes in his mouth and in the lining of his waistcoat, just a little high explosive, so little was necessary that it must escape notice unless you knew what to search for.

Yes, we caught him and he, the good fellow, the good honest neutral"-- it would be difficult to describe the bitterness and scorn which rang through Marnier's words, "has been kind enough to tell me how he earned his German pay as well as his French wages." Hillyard leaned forward.
"Yes, tell me that!" "On his way to the factory in the morning, he makes a call." "Yes." "The one on whom he calls fills the tube or has it just filled and gives it to the workman.

The time fuse is set for four hours and a half.

The workman has so arranged it that he will reach the factory half an hour after the tube is filled.

He passes the searcher.