A gas shell was also designed and approved in 1921, although never put into production.

It made no sense, being within the gas shell blown off by a nova.

Poison gas shells were used for the final minutes of the barrage.

He wasn't about to unbutton and look around, either, not with gas shells still coming in.

To add to the misery, for the last ten hours of bombardment, gas shells were added.

This problem was solved in 1916 when gas shells were produced for use with heavy artillery.

Some of those had been gas shells, too.

Before its final collapse, this star would have converted any nearby planet into a gas shell.

They were two of the missing gas shells.

Police fired tear gas shells towards the gate to warn the students.

"I'll send a team of men to remove the other gas shells in the tunnel," he said coldly.

"If one of those gas shells went off, you'd be responsible for perhaps millions of deaths."

He stuffed his shirt with extra clips of the gas shells and went down the ladder.

The glowing gas shells were all around us, banishing the normal night of interstellar space.

Artillery mainly fired fragmentation, high explosive, or, later in the war, gas shells.

Gas shells spray a cone of gas for several meters.

The Japanese continued to press their attacks with this air support, and in the afternoon fired large numbers of tear gas shells.

"There's a bit of a gas shell," he explained.

Later they fired tear gas shells and charged with sticks as the demonstrators fled.

"I've seen enough gas shells to recognize one."

To restore normalcy in the situation the police fired tear gas shells at the mob.

"Gas shells," Goldfarb said, and took a couple of steps away from the guns.

The policemen started using batons, tear gas shells and fired blanks.

He became blinded by a gas shell while aiding in the rescue of several of his men.

Many Japanese, and many Americans, believed these were poison gas shells.