His team created the bomb's ignition mechanism as well as measuring instruments for the device.

I had in mind some kind of ignition mechanism, one that would turn the planet, which is largely hydrogen, into a vast bomb using hydrogen-to-helium fusion.

Modifications of the propulsion system included more sensitive temperature controls and more powerful ignition mechanisms.

It consist of a tube with an ignition mechanism in its rear, which throws out the shell very quickly.

The driver started the engine with a vengeance so pronounced the ignition mechanism flew into a high-pitched, grinding scream.

Assessment of the presence and probability of ignition mechanisms.

Metesky's first bomb was crude, a short length of brass pipe filled with gunpowder, with an ignition mechanism made of sugar and flashlight batteries.

In September 1941, a bomb with a similar ignition mechanism was found lying in the street about five blocks away from the Consolidated Edison headquarters building at 4 Irving Place.

Firearms became increasingly important and effective during the 16th century to 19th century, with progressive improvements in ignition mechanisms followed by revolutionary changes in ammunition handling and propellant.

Another, discussing the most likely possibilities, said, "Clearly there has to be an ignition source, and all of those ignition mechanisms that have to do with the aircraft are still open to examination."