Weidner, Fr. (Prof., Optisches Institut der Technischen Hochschule Berlin) an Mach, Ludwig

Signature mark	NL 179/298
Subject	Brief
Recipient	Mach, Ludwig
Title	Weidner, Fr. (Prof., Optisches Institut der Technischen Hochschule Berlin) an Mach, Ludwig
Insert	Normblatt DIN 1335 "Bezeichnungen in der technischen Optik" (4 S. gedr.)
Note	Rundbrief an Mitglieder der Deutschen Gesellschaft für angewandte Optik
Duration	07.1934
Scope	1 S. ms.
Rights notice	CC BY-SA 4.0
Permalink	https://digital-dev.deutsches-museum.de/item/NL-179-298

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