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[[image: post card]]
[[preprinted]] Correspondenz - Karte

Korespondencni Listek [[/preprinted]]

Herrn J. Popper
Ingenieur

[[preprinted]]in
v [[/preprinted]]

VII Apollogasse 6 Wien 

[[right margin]] [[preprinted]](Böhm.) [[/preprinted]] [[/right margin]]

[[end postcard]]

fol. 1-39

Briefe von E. Mach

Dürfen nur dann benutzt werden, wenn sowohl [[underline]] Mach [[/underline]] [also?] [[underline]] ich [[/underline]] gestorben ist.

Josef Popper

München 6. Februar 1911