Experiments with magnetism

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Sootin, Harry
Hōputu: Pukapuka
I whakaputaina: New York : Norton, c1968.
Ngā marau:
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!