In March 2020, Von Klaus Schmeh wrote an article for the Scienceblogs.de Klausis Crypto Kolume about the Hebern encryption machines and a new opportunity to see images of the rare machines from the Smithsonian. The Smithsonian recently released nearly three million images to the public domain - a collection that includes a vast number of cryptology related photos and of special interest were some beautiful and rare images of the Hebern machine.
Read the article and see some of the fantastic photos online.
