interlocking models with a tray for manipulating them
- PART OF:
- Collection of models demonstrating self-reproducing mechanisms in chemistry and biochemistry
- Made:
- 1920-1970
- maker:
- Lionel Sharples Penrose
Twenty wooden and one metal interlocking models with a tray for manipulating them, made by Lionel Sharples Penrose, 1955-1965