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Machines /
by Baker, Wendy.
Publication:
Richmond Hill, Ont. : Scholastic Canada, 1994
, Includes index.
Date:1994
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(1),
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Levers /
by Glover, David,
Publication:
Crystal Lake, IL : Rigby Interactive Library, 1997
. 24 p. :
27 cm.
Date:1997
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Pulleys and gears /
by Glover, David,
Publication:
Crystal Lake, IL : Rigby Interactive Library, 1997
. 24 p. :
27 cm.
Date:1997
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Ramps and wedges /
by Glover, David,
Publication:
Crystal Lake, IL : Rigby Interactive Library, 1997
. 24 p. :
28 cm.
Date:1997
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Screws /
by Glover, David,
Publication:
Crystal Lake, IL : Rigby Interactive Library, 1997
. 24 p. :
28 cm.
Date:1997
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Springs /
by Glover, David,
Publication:
Crystal Lake, IL : Rigby Interactive Library, 1997
. 24 p. :
28 cm.
Date:1997
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Wheels and cranks /
by Glover, David,
Publication:
Crystal Lake, Ill : Rigby Interactive Library, 1997
. 24 p. :
28 cm.
Date:1997
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How does it work? /
by Glover, David,
Publication:
New York : Dorling Kindersley, 2001
. 125 p. :
, "5 years and up"--Cover. | Includes index.
29 cm.
Date:2001
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What is it made of? /
by Glover, David,
Publication:
[New York] : Dorling Kindersley, 2001
. 125 p. :
, Includes index. | "A Dorling Kindersley book."
29 cm.
Date:2001
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