Vintage Fabri-Tek Model 420 Magnetic Core Memory 1K x 8 Computer Module 9993775 for Sale

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Vintage Fabri-Tek Model 420 Magnetic Core Memory 1K x 8 Computer Module 9993775 For Sale

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Vintage Fabri-Tek Model 420 Magnetic Core Memory 1K x 8 Computer Module 9993775:
$249.99

Rare vintage Fabri-Tek Model 420 magnetic core memory assembly, Product No. 9993775-00.Period technical documentation identifies the Fabri-Tek Model 420 as a coincident-current magnetic core memory system with a capacity of 1,024 words x 8 bits.This is an impressive early computer-memory assembly featuring the original blue Fabri-Tek Model 420 identification plate, stacked circuit construction, extensive hand/point-to-point wiring, discrete transistors, resistors and associated core-memory driver/control electronics.Visible markings include:
• FABRI-TEK Model 420
• Product 9993775-00
• SS188-4 REV C
• Made in U.S.A.
• Additional assembly/board numbers visible in photosA fascinating survivor from the magnetic-core-memory era, before semiconductor RAM became dominant. Excellent display or restoration piece for a vintage computer, minicomputer, industrial electronics or computer-history collection.This unit has not been electrically tested and is being sold AS-IS / UNTESTED for collectible, restoration or historical purposes.Please examine all photographs carefully for exact configuration and cosmetic condition. The photographs are of the actual item being offered.Will be packed carefully to protect the circuit boards, wiring and components during shipment.