Gallenkamp PEEL molecular models, early 20th century.

Gallenkamp PEEL molecular models, early 20th century.
3 4 c m
40cm
actual image size: 32cm x 26cm

Description

Made by Gallenkamp, this is an alternative system for building models of molecules to the more common ball and spoke kits. In addition to showing the atoms and bonds, this expanded polystyrene model kit also shows the various bonding orbitals, for methane (left), ethene (centre) and benzene (right).

Image Details

Image Ref.
 
10268606

© Science Museum / Science & Society Picture Library

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