Magneteg
By: Roy Evans ; (wedi ei addasu i'r Gymraeg gan Ann Rosser) ; darluniau gan Selwyn Williams a Maureen Thomas.
Contributors: Rosser, Ann.; Williams, Selwyn.; Thomas, Maureen.
Publisher: Llyfrau'r Dryw
Published: 1970
Place of publication: Llandybie
Language: wel
Number of pages: 52
Subjects: Magnetism -- Juvenile literature.
Notes: For children.