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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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(1),
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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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(1),
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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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(1),
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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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(1),
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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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(1),
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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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Inclined planes /
by Dahl, Michael S.
Publication:
Mankato,MN : Bridgestone Books, 1996
. p. cm.
Date:1996
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(1),
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Pulleys /
by Dahl, Michael.
Publication:
Mankato, MN : Bridgestone Books, 1996
. 24 p. :
22 cm.
Date:1996
Availability:
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(1),
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