Authors: Leopold Bloch

  • Grundzüge Der Beleuchtungstechnik — Leopold Bloch

    Grundzüge Der Beleuchtungstechnik — Leopold Bloch

  • The Science Of Illumination: An Outline Of The Principles Of Artificial Lighting (1912) — Leopold Bloch

    The Science Of Illumination: An Outline Of The Principles Of Artificial Lighting (1912) — Leopold Bloch