Vintage 1950s NRI National Radio Institute Kit 6WW Radio TV Servicing Unbuilt
Up for sale is a rare, beautifully preserved piece of mid-century electronics history: an original 1950s National Radio Institute (NRI) Kit 6WW educational lab kit. This is a true "New Old Stock" (NOS) mail-order correspondence course kit that remains completely unbuilt, untouched, and factory-sealed to its original inner cardboard display inserts.
This kit represents an advanced stage of the historic NRI curriculum and is a fantastic find for amateur ham radio hobbyists, vintage vacuum tube collectors, or tech history enthusiasts.
KIT INVENTORY & DETAILS:
• Manufacturer: National Radio Institute (Washington, D.C.)
• Kit Designation: 6WW (Radio-Television Servicing Fundamentals)
• Components Included: Two vintage vacuum tubes (TU 40 & TU 45/41), large metallic variable tuning capacitor/transformer block, two black dial adjustment knobs, potentiometers, resistors, terminal strips, and heavy-duty structural mounting hardware screws/nuts.
• Documentation: Includes the crisp, original red-and-white training lesson manual/booklet designated for the 6WW course level.
• Packaging: Ships inside its original cardboard mailer box.
CONDITION DETAILS:
New Old Stock (NOS) / Unbuilt condition. The electronic parts are still factory-secured in their original layout positions on the cardboard backing under the protective film. The printed training manual is crisp with vibrant color. The exterior cardboard mailer shows light storage wear and age-related cardboard toning consistent with a 70-year-old paper collectible, but it remains structurally solid. Due to the vintage nature of this item, components are sold as-is for collectibility and historical display.
Ships quickly and securely packaged to protect the fragile components and the original box. Please see all high-resolution photos for exact cosmetic details. Let me know if you have any questions! Happy offerding!
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