Unidad documental compuesta 5-7 - 'Alte Korrespondenz' folder

B.5: Calculations by Frisch, photographs, 'Ueber die spektrale Durchlässigkeit von Tauschichten', 3 pp. research notes or draft for paper.
B.6: Correspondence re apparatus, 1929. Correspondence with C. Müller re research and patents, 1929-30.
B.7: Correspondence re payment of Frisch's research grant, 1929. Miscellaneous items: CV by Frisch up to and including his work with Müller; timetable of laboratory visits March 1929.

Created while at Physikalisch-Technische Reichsanstalt (PTR) in Berlin.