On Display

Set of Catalin molecular models of the space-filling Stuart type together with rubber connecting pegs and special pliers in a partitioned case. An engineering drawing showing dimensions and facial angles is included, c.1955

• Molecular modelling kit, 1955.

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

• Molecular models, c 1875.

Dreiding stereomodels (Normal set) in a plastic box

• Set of Dreiding stereomodels, c 1958-1977.

Beckman DU Ultraviolet Photoelectric Spectrophotometers

• Beckman DU ultraviolet photoelectric spectrophotometer, 1940s.