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"In my mind I have gone all over the universe, which may make it less important for me to make piddling little trips... I did enjoy seeing Stonehenge. It looked exactly the way I thought it would look."
- Isaac Asimov

Needle Pipe  
  A device that could project slivers of metal at near light speed.  

The electronic needle pipe was a foot-long metallic pipe with a diameter the size of a small human finger. It had a large, round metallic base, to be operated with two hands.

It projected a very small stream of electrons, which carried with them a tiny, sharp-pointed fragment of metal, like a needle. But when it struck it solidified.

There was a range finder for aiming, and a device for curving the electronic stream, so that the beam could be sent around almost any degree of curvature.

From Beyond the Stars, by Ray Cummings.
Published by Ace in 1928
Additional resources -

David Gerrold, in his War Against the Chtorr novels of the 1980's, wrote about something very similar to this. It was a gun that sprayed (I think electromagnetically) thousands of stainless steel needles per minute. I can't find the reference.

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Additional resources:
  More Ideas and Technology from Beyond the Stars
  More Ideas and Technology by Ray Cummings
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