electric lightning

EWZ Zurich, Max Kopp

EWZ Zurich Max Kopp,1914

Baumann Koelliker Zurich, Otto Baumberger

SOLD Baumann Koelliker Zurich Otto Baumberger,1917

Osram – More economical lighting, Peter Birkhäuser

Osram – More economical lighting Peter Birkhäuser,1943

Zurich Museum of Design – Industrial Culture, Niklaus Troxler

Zurich Museum of Design – Industrial Culture Niklaus Troxler,1980

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