Wilhelm Pfeffer

Filmes

Cinematographic Studies Carried out on Impatiens, Vicia, Tulipa, Mimosa and Desmodium by W. Pfeffer (1898-1900)
Cinematographic Studies Carried out on Impatiens, Vicia, Tulipa, Mimosa and Desmodium by W. Pfeffer (1898-1900)
Director
Plant movements in historical films by Wilhelm Pfeffers: geotropic bending of a horizontal Impatiens glandulifera; germination of Vicia faba; development and flowering in tulip, leaf movement in Mimosa speggazzinii and Desmodium gyrans.