Then he added, "I have done much with poison gas as well as with rare drugs."
After all, air-bombs and poison gas and the like may be called devilish.
The Huns were releasing prodigious quantities of poison gas.
I have sometimes been asked why we made no use of poison gas clouds.
At first, the dark mass in the sky appeared to some to be poison gas.
But the poison gas could penetrate where the rifle ball could not.
They were reported to have paralysis beams, death beams and poison gas.
Last month it was poison gas; now it is the sinking of the Lusitania.
The embassy had filled the country with German poison gas, and backed the German campaign of wholesale arson.
This was the poison gas ready for release over the top through tubes.