Bibliographic record and links to related information available from the Library of Congress catalog.
Note: Contents data are machine generated based on pre-publication provided by the publisher. Contents may have variations from the printed book or be incomplete or contain other coding.
Crafty Inventions First Thousand Years Contents - Astrolabe 4 Early astronomy 6 - Spinning wheel 8 Wheel and axle 10 - Rudder 12 Balanced forces 14 - Glass window 16 Melting points 18 - Compass 20 Earth's magnetism 22 - Abacus beads 24 Number systems 26 - Camera obscura 28 Reflecting light 30 - Kite-flying 32 Wind energy 34 - Furnace 36 Making heat 38 - Stained glass 40 Light and colour 42 Glossary and index 44 Tools and materials 47
Library of Congress Subject Headings for this publication:
Technology -- Juvenile literature.
Inventions -- Juvenile literature.