How building machines work
Jennings,Terry
How building machines work - London Kingfisher, 1992 - 40 - How things work .
Investigates, in text and labelled diagrams and illustrations, the functions of various kinds of building machines and how they work. Includes instructions for related projects and experiments.
0862729246
629.23 / JEN
How building machines work - London Kingfisher, 1992 - 40 - How things work .
Investigates, in text and labelled diagrams and illustrations, the functions of various kinds of building machines and how they work. Includes instructions for related projects and experiments.
0862729246
629.23 / JEN