Keywords: Pfeffer Osmotische Untersuchungen-5-3.jpg Reworked version of Image Pfeffer_Osmotische_Untersuchungen-5 png by Manfred Heyde <br> Original-Description <small> Uploaded by User Drahkrub </small> <br style 'clear both;' /> ---- Pfeffersche Zelle engl Pfeffer Cell closed apparatus Pfeffer W Osmotische Untersuchungen Wilh Engelmann Leipzip 1921 Fig 5 1877 Wilhelm Pfeffer PD-old ---- Manfred Heyde Pfeffer_Osmotische_Untersuchungen-5 png Uploaded with http //tools wikimedia de/~luxo/reworkhelper html Reworkhelper Pfeffer cell |