Atomic models, stick and balls (59) on stand in wooden box, c. 1875. Labelled as 'after A.W. Hofmann, made by Manuel Gonzalez, Verdiguier, Madrid'. The set comprises five stands, coloured balls with attached spokes, labelled with chemical formulae and brass collars. The carbon atoms are tetrahedral.
Box of atomic models, c. 1875 labelled after A.W. Hofmann and signed Manuel Gonzalez Verdiguier Madrid". The set comprises five stands coloured balls with attached spokes