This book is an introduction to wedges, including examples we see every day and how wedges have been used through history.
General Note
Title proper from title frame.
Includes index.
Includes glossary.
Book description - 24 p. : col. ill. ; 21 cm.
Content Note
What is a wedge? - The parts of a wedge - Making work easier - A wedge at work - The first wedge - Wedges through time - Wedges today - Where can you find wedges? - An experiment with wedges - Wedges and air.