Spade wired to mine.
Pictures, vases, helmets, fountain pens, books on tables, nails in wall, loose boards in floor, things on verge of falling, and piano connected with wires; clocks connected with mines, bells connected with mines timed to go off by a rod in acid.
Mining of churches and other buildings which have not been touched. This was pulled off at Bapaume where sacristy was left untouched. When French Mission collected vestments, bombs had been connected and exploded, killing eleven.
Bombs up chimney with fire all ready to light.
Slip trench with false bottom letting men through on spikes.
Church furniture used to make crosses for German men.
Poisoning wells and roots of young trees. Some trees left sawn halfway in.
Poisoned wine bottles, one out of several poisoned.