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"The idea I want to push next is that the United States should make Siberia a Protectorate. Pay the Russians off – a hundred, two hundred billion dollars – and simply run Siberia in an ecologically responsible way."
- Gregory Benford

Smoke Filter  
  Allows grizzled spacemen to smoke in space ships.  

On the fourth day he was seated against a bulkhead, enjoying the luxury of a few remaining minutes of weight while the last shift ate, when McCoy walked in and sat down beside him. The gunner's mate fitted a smoke filter over his face and lit a cigarette. He inhaled deeply and started to chat.

"How's it going, bud?"

From Misfit, by Robert Heinlein.
Published by Astounding Science Fiction in 1939
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