Skip to main content
Go to accessibility notice


    Descriptive Geometry at Purdue

    Purdue University: Neil Armstrong's Complete Class Notes for Descriptive Geometry GE 16 with Dozens of Hand-drawn Geometric Exercises, Notations, and "ARMSTRONG" Signatures, Directly From The Armstrong Family Collection™, CAG Certified. A group of eighty-plus 8.5" x 11" mimeographed pages consisting of lessons, exercises, and quiz instructions for a Geometry class at Purdue with Brelsford as the instructor. Approximately 59 of the pages have Armstrong's signature in pencil at the bottom, either "ARMSTRONG" or "ARMSTRONG, N.A." There are also dozens of geometric drawings by Armstrong as well as handwritten answers to questions. An interesting documentation of a class that he was required to take as an Engineering student. All pages are in separate sheet protectors, enclosed in a non-original binder. Pages lightly toned, very fine overall. CAG 1002092-023. This lot will include an encapsulated CAG Photo Certificate with a Statement of Provenance signed by Neil Armstrong's sons, Rick and Mark.

    Learn more about Collectibles Authentication Guaranty (CAG).

    Auction Info

    Auction Dates
    July, 2019
    16th-18th Tuesday-Thursday
    Bids + Registered Phone Bidders: 1
    Lot Tracking Activity: N/A
    Page Views: 888

    Buyer's Premium per Lot:
    25% on the first $300,000 (minimum $19), plus 20% of any amount between $300,000 and $3,000,000, plus 12.5% of any amount over $3,000,000 per lot.

    Sold for: Sign-in or Join (free & quick)

    Heritage membership

    Join Now - It's Free

    1. Past Auction Values (prices, photos, full descriptions, etc.)
    2. Bid online
    3. Free Collector newsletter
    4. Want List with instant e-mail notifications
    5. Reduced auction commissions when you resell your
    Consign now
    • Cash Advances
    • More Bidders
    • Trusted Experts
    • Over 200,000 Satisfied Consignors Since 1976
    Only 19 days left to consign to the 2020 March 29 Vintage Guitars & Musical Instruments Musical Instruments Signature Auction - Dallas!

    Learn about consigning with us

    The resulting auction of my property overwhelmed me. I want to thank Tom Slater and the Heritage team for a very satisfactory experience and profitable result with my historical consignment.
    Henry L.,
    Lexington, KY
    View More Testimonials receives more traffic than any other auction house website. (Source:

    Video tutorial

    Getting the most out of search

    Recent auctions

    2019 December 14 Historic Flags of World War II Signature Auction - Dallas
    2019 December 14 Historic Flags of World War II Signature Auction - Dallas
    REALIZED $1,022,424