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 YEAR: April 1975
 ITEM: Periodical
 PUBLISHER: 73, Inc.
  Number: 175
RARITY: Not rare   Click here for further information on our rarity scale Information on the rarity of this item is unknown.

73 Magazine #175 April 1975


Amateur Radio 73 Magazine #175 April 1975. Retro calculator fans take note! There's a one page ad from Teco featuring the Novus 4520 Scientist for $99.95, and the Rockwell 61R Advanced Slide Rule Electronic Calculator for $79.95. A calculator called an advanced slide rule? I think Marshall McLuhan had something to say about that... edited by Curtis.

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