Skip to main content
Go to accessibility notice


    Hans Geiger Typed Letter Signed "H. Geiger." One page, 5.75" x 4", Department of Physics, University of Kiel, October 7, 1926. In the letter, written in German on a toned postcard, the co- inventor of the Geiger counter asks Karl Selmayr of Munich "for information when the new metal X-ray tube will be delivered."

    More Information:

    The body of the letter reads in full, "I am coming back today to our conversation in Düsseldorf and would like to ask you for information when the new metal X-ray tube will be delivered."

    Auction Info

    Auction Dates
    April, 2011
    8th-9th Friday-Saturday
    Bids + Registered Phone Bidders: 4
    Lot Tracking Activity: N/A
    Page Views: 987

    Buyer's Premium per Lot:
    19.5% of the successful bid (minimum $14) per lot.

    Sold on Apr 9, 2011 for: Sign-in or Join (free & quick)
    Track Item

    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
    Consign to the 2022 February 19 Americana & Political Signature Auction.

    Learn about consigning with us

    I don’t often do testimonials but in this case I felt truly obligated to thank Heritage Auctions for the extremely professional job your organization did for me.
    Charlie K.,
    Pittsburgh, PA
    View More Testimonials receives more traffic than any other auction house website. (Source:

    Video tutorial

    Getting the most out of search