Charlottenberg: 1926. Bothe, Walther (1891-1957). Typed letter signed with manuscript corrections, in German, to Walther Gerlach (1889-1979). 1 page on one sheet; letterhead of the Physikalisch-Technische Reichsanstalt. Charlottenburg, 20 July 1926. 277 x 217 mm. Creased where previously folded, but fine otherwise. Letter with excellent scientific content from Walther Bothe..... More