Kaagaj
Kaagaj ek patraa chij hae jiske cellulose fibre, jiske lakrri, kaprra aur grass se laawa jaae hae ke mechanically aur chemically process kar ke banaawa jaae hae. Log, kaagaj me pen aur pencil se likhe hae. Parrhe waala buk aur newspaper bhi kaagaj ke banaa rahe hae.
Itihaas[badlo | source ke badlo]
Kaagaj ke bane se pahile, log likhat rahin. Uu log kaprraa, patthar ke diwaal, lakrri aur patti me likhat rahin. Kuchh jagha pe log clay tablet pe bhi likhat rahin. Lagbhag 200 BC me Egypt ke log, papyrus ke paudha se kaagaj banae rahin.[1] 105 AD me China me pahila dafe kaagaj banaawa gais. Pahile hiamn pe [[baans] (bamboo) aur silk me likha jaat rahaa.[2] Lagbhag 610 AD me Japan ke log mulberry perr ke fibre se kaagaj banae ke suruu kare rahin.
References[badlo | source ke badlo]
- ↑ H. Idris Bell and T.C. Skeat, 1935. "Papyrus and its uses" Archived 2013-10-18 at the Wayback Machine (British Museum pamphlet).
- ↑ Carter, Thomas Francis 1925. The invention of printing in China and its spread westward. Columbia N.Y.