One of two models with black molecules inscribed with periodic table elements at each corner
1920-1925
Set of four models illustrating van't Hoff's 1874 theory of the asymmetric carbon atom: two with black molecules inscribed with periodic table elements at each corner, and two with different coloured molecules at each corner, by Science Museum Workshops, South Kensington, London, England, 1920-1925
Four models illustrating van't Hoff's theory of the asymmetric carbon atom
1920-1925
1920-1925
1920-1925
1920-1925