पांच अश्वेत अविष्कारक : हिंदी पीडीऍफ़ पुस्तक – (बच्चो की पुस्तक) | Panch Ashvet Avishkarak : Hindi PDF Book – (Children’s Book)

Pustak Kharidein

Pustak Ka Vivaran : Ek samay tha jab jyadatar log jute nahin kharid sakte the. Jute mahange hote the kyonki pratyek jodi ko banane mein bahut samay lagta tha. Jaan ansart maitajeligar ne use badla. Unhonne ek aisi mashin ka avishkar kiya jisne jute jaldi aur saste mein banae. Jaan ka janm 15 sitambar, 1852 ko dakshin Amerika mein hua tha…………

Description about eBook : There was a time when most people could not buy shoes. Shoes were expensive because it took a lot of time for each pair to make. Jan Undert Metzelliger changed her. He invented a machine that made shoes fast and cheap. Jan was born in South America on September 15, 1852…………

44 Books पर उपलब्ध सभी हिंदी पुस्तकों को देखने के लिए – यहाँ दबायें