An integrated circuit that Texas Instruments' Jack Kilby used in 1958 to demonstrate his invention of the new technology is expected to sell for as much as $2 million at auction.
Christie's is offering the prototype that helped create the microchip revolution at auction Thursday in New York City.
The auction house says the integrated circuit was built by Tom Yeargan, a member of the team that executed Kilby's theories on bringing miniaturization to the period's giant computers.
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The integrated circuit is mounted on glass and enclosed in a plastic case belonging to Yeargan. It has a label signed by Kilby, who won the Nobel Prize in physics for his work. It's accompanied by a statement by Yeargan, whose descendants are offering up the circuit.