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Vacuum Tube Patent Print - Old Look Patent Title: Vacuum Tube Inventor Name: William Eitel; Jack Mccullough Year Issued: June 8...read more
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Vacuum Tube Patent Print - Old Look Patent Title: Vacuum Tube Inventor Name: William Eitel; Jack Mccullough Year Issued: June 8 1943 Item Number: 11370 Reprint of original Patent Patent is printed on premium acid-free heavyweight matte pap...