The Geiger counter comes to mind, but it is half as old.
He said the whole world is full of Geiger counters looking for us.
So they brought in a Geiger counter and several other instruments.
Why don't we just break out the Geiger counter,' he said.
It only took them about fifteen minutes to find a Geiger counter.
In the back of a jeep he put a Geiger counter.
"When was the last time you checked the Geiger counter?"
"We've gone over everything three times with the Geiger counters and recovered nothing more."
The Geiger counter began to click, perhaps once every four seconds.
Want to play a leading role in a Geiger counter?
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