1.   Patrick knew enough about improvised timing devices to be sure that after fifty-five seconds it would complete an electric circuit and fire the mortar bomb.

2.   Terrorists often used an athletic stopwatch as a timing device.

3.   As Mamula came to the middle of the field, the scouts stopped talking and started fingering their timing devices.

4.   A timing device lets you select the exact moment to detonate the sound, and it can be programmed to repeat over and over.

5.   During the tour, we go into an electronics lab, where young men experimented with timing devices and electronic circuits.

6.   Electronic timing devices and a public address system were used for the first time.

7.   His car contained timing devices and enough explosive chemicals to level a building.

8.   In previous attacks, the hostile forces have rigged ingeniously simple timing devices that launch the mortars or rockets long after they have fled the scene.

9.   In the trunk of his car were nitroglycerine, timing devices and enough explosive material to flatten a building.

10.   Initial reports said they contained an explosive and a timing device, but by evening investigators cautioned that details needed to be confirmed.