Mecaneg syml
By: gan John a Dorothy Paull ; darluniau gan Drury Lane Studios ; addasiad Cymraeg gan Marged Dafydd.
Contributors: Dafydd, Marged.; Paull, Dorothy.; Drury Lane Studios.
Series: Gwyddoniaeth yr ifanc
Publisher: Elfen
Published: 1983
Place of publication: Blaenau Ffestiniog
Language: wel
Number of pages: 49
Subjects: Mechanics -- Juvenile literature.
Work titles: Simple mechanics.
Notes: Includes index.

Text, ill on lining papers.