How things work : fascinating projects and experiments that reveal the secrets of technology /
Ardley, Neil.
How things work : fascinating projects and experiments that reveal the secrets of technology / Neil Ardley. - London : Dorling Kindersley, 1995. - 192 p. : col. ill. ; 29 cm.
Includes index.
9780751302158
Machinery--Juvenile literature.
Machinery.
Machinery--Experiments.
620 ARD
How things work : fascinating projects and experiments that reveal the secrets of technology / Neil Ardley. - London : Dorling Kindersley, 1995. - 192 p. : col. ill. ; 29 cm.
Includes index.
9780751302158
Machinery--Juvenile literature.
Machinery.
Machinery--Experiments.
620 ARD