when was the pully invented?

Subject: when was the pully invented?

Date: Fri Mar 3 20:19:07 2000
Posted by John
Grade level: K-3 School: osburn
City: silverton State/Province: Idaho Country: U.S.A
Area of science: Science History
ID: 952136347.Sh

Message:


I what to know because my class is learning about simple mushines.

Re: when was the pully invented?

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