थॉमस अल्वा एडिसन : हिंदी पीडीऍफ़ पुस्तक | Thomas Alva Edisan : Hindi PDF Book
Pustak Ka Vivaran : Jab Thomas Alva Edisan ek chhota baccha tha, to vah har cheez ke bare mein sabal puchta tha. Jab vah bada hua to usne har saval ka javab dhundne ki koshis kari. Usne Ilektrik Light balb kaise banaya jaye uski vidhi khoji. Usne Phonograph aur Moshan pikchar mashin ka avishkar bhi kiya…………………………..
Description about eBook : When Thomas Alva Edison was a small child, he used to ask about everything. When he grew up, he quarreled to find the answer to every question. Find out how to make an electric light bulb. He also invented phonograph and motion picture machine…………………………….
1 Comments
Amit Patel
Thankyou soo much for the free ebook! Keep encouraging us by such books!