The How and Why Wonder Book Of: Magnets and Magnetism- Electricity- Machines
- USA Grosset & Dunlap 1981
- 47+48+48 29
- The Science Library 2 .
The individual works in this set were previously published separately
1960
72189534
English
General
Science
Science
500
The individual works in this set were previously published separately
1960
72189534
English
General
Science
Science
500