Word: odorlessly
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Dates: during 1921-1921
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...come upon civilization if there should be another war. He described Lewiside, a new gas, invented by Professor Lewis of Northwestern University. Lewiside, differing from the gases which were used in the past war, is heavier than air. It also differs from them in that it is colorless and odorless, giving no warning of its presence. It kills by contact and will make sterile any ground with which it comes in contact...