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"The trick is not becoming a writer. The trick is staying a writer. Day after month after year after story after book."
- Harlan Ellison

Platinum Alloy Disc  
  A silvery disc used for data record storage.  

Since nothing material was destroyed when the Eddorians were forced into the next plane of existence, their historical records have also become available. Those records - folios and tapes and playable discs of platinum alloy, resistant indefinitely even to Eddore's noxious atmosphere - agree with those of the Arisians upon this point.
From Triplanetary, by E.E. 'Doc' Smith.
Published by Not known in 1934
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