Inventions: Simple Inventions that Changed the World

Author:

Om Books Editorial Team

Publisher:

OM BOOKS INTERNATIONAL

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Publisher

OM BOOKS INTERNATIONAL

Publication Year 2016
ISBN-13

9789385609237

ISBN-10 9385609238
Binding

Paperback

Number of Pages 32 Pages
Language (English)
Dimensions (Cms) 29.4x21.9x0.3
Weight (grms) 150

For which monarch was the first handmade stapling machine invented? When was the safety pin created? What were the toothbrushes in ancient times made of? What were pencils first used for?This book is filled with facts about inventions that seem simple, but paved the way for other bigger discoveries.

Om Books Editorial Team

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