dt. Physiker (1882-1945). Printed visiting card with autograph addition. ohne Ort und Jahr. Quer-32mo. 1 p.
$ 2,353 / 2.000 €
(96011)
With autograph addition: "sends heartfelt congratulations." Extremely rare. He became famous for the Geiger counter, also known as the Geiger-Müller tube, which he developed together with his doctoral student Walther Müller.
Physiker (1882-1945). Typed postcard signed ("H. Geiger"). Tübingen. 07.11.1929. 1 S. Qu.-8vo. Mit ms. Adresse.
$ 2,118 / 1.800 €
(73177/BN47453)
To "Mech. Master Sellmeyer, Munich, Institute for Theoretical Physics at the University": "Please let me know which atom models can be bought from you and at what price [...]". - Slightly spotty.