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73 Magazine #173 February 1975

YEAR: 1975
ITEM: Periodical
COMPANY: 73, Inc.
COUNTRY: U.S.A.
IN OUR COLLECTION: Yes

Amateur Radio 73 Magazine #173 February 1975. Poly Paks has an ad featuring their 8008 microprocessors for $79.99, a 16-bit microprocessor basic system kit for $149, and a 6-function calculator kit for $24.50. The same RGS Electronics ad appears in this issue again. Edited by Curtis.

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OUR DEFINITIONS OF RARITY

One of a Kind: Only known existing item.
Exceedingly Rare: Only 2 to 10 known to exist.
Very Rare: Only 11 to 25 are known to exist.
Rare: Only 26 to 50 are known to exist.
Difficult: Difficult to find.
Available:Can be commonly be purchased.
Unknown: We cannot make a determination.

(For comparison: Many people consider the Apple-1 computer to be rare. As of 2025 there are 92 confirmed and probable Apple-1 computers.)

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