What do levers do?

'What do Levers do?' explores the simple mechanism of levers and looks at the wide range of tools and toys that make use of them. Large, clear photographs show the principle in practice and careful artwork aids understanding. Previous ed.: 1996.

שנה

2006

שפה

English

הוצאה

Heinemann Library

מהדורות

1

עמודים

24

ISBN

9780431064062

מקור הנתונים: Wikidata