Max Kohl, Chemnitz, Germany.
Physikalische Apparate : Preisliste nr. 100 / Max Kohl A.G. Chemnitz.
Scientific apparatus and instruments -- Catalogs.
Physics -- Scientific apparatus and instruments -- Catalogs.
Cosmology -- Scientific apparatus and instruments -- Catalogs.
Optics -- Scientific apparatus and instruments -- Catalogs.
Meteorology -- Scientific apparatus and instruments -- Catalogs.
Magnetism -- Scientific apparatus and instruments -- Catalogs.
Electricity -- Scientific apparatus and instruments -- Catalogs.
Sound -- Scientific apparatus and instruments -- Catalogs.
Radio -- Scientific apparatus and instruments -- Catalogs.