Irrigation Model-Archimedean Screw, illustrating Conversion of Energy
- Made:
- 1962 in Europe and Kingston-upon-Thames
- maker:
- Barbara Mary Campbell
Irrigation Model - Archimedean Screw, illustrating "Conversion of Energy", unsigned, Europe, 1921-1931. With human figures by Barbara Mary Campbell, Kingston-upon-Thames, Greater London, England, 1962.