On the weight of the scales
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This cognitive book tells about scales: about their important role in human life, about how they appeared and served people for millennia. The young reader will find out with interest that at first the person weighed everything with his own hands, then the oldest lever scales, scales-beads, and then spring scales were invented. Today, electronic scales are used everywhere, and how will the scales in the future surprise us?
For primary school age.
3rd edition
For primary school age.
3rd edition
Author:
Author:PEGOV M.
Cover:
Cover:Soft
Category:
- Category:Children's Book
Publication language:
Publication Language:Russian
Paper:
Paper:Offset
Age restrictions:
Age restrictions:6+
ISBN:
ISBN:978-5-907312-56-2
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