Titre:
Pulleys and gears
PERSONAL_AUTHOR_EPSB:
Sommaire:
Introduces the principles of pulleys and gears as simple machines, using examples from everyday life.
Date de publication comme intervalle:
1997
SERIES_EPSB:
Description matérielle:
24 p. : col. illus. ; 27 cm.
EPSB_521_0:
3.5.
EPSB_521_2:
3-6
Informations sur le programme:
Building Devices & Vehicles Gr. 4+
Science
EPSB_658:
Numéro international normalisé des livres (ISBN):
9781403400574
Informations de publication:
Chicago, IL : Rigby Interactive Library, c1997.
