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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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Pulleys /
by Dahl, Michael.
Publication:
Mankato, MN : Bridgestone Books, 1996
. 24 p. :
22 cm.
Date:1996
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Pulleys and gears/
by Royston, Angela.
Publication:
Chicago : Heinemann Library, 2001
. 32 p. :
27 cm.
Date:2001
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Levers and pulleys /
by Brinded, Alex.
Publication:
. 24 pages :
, Includes index.
23 cm.
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(1),
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Levers and pulleys /
by Brinded, Alex.
Publication:
. 24 pages :
, Includes index.
23 cm.
Availability:
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(1),
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