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 YEAR: April 1975
 PUBLISHER: 73, Inc.   Number: 175
 COUNTRY: U.S.A.
 IN OUR COLLECTION: Yes
Click here for further information on our rarity scale RARITY: 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...





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