1842 – Introduction of the cyanotype process, also known as the blueprint process,by Sir John Herschel (1792 – 1871) a British astronomer who was trying to find a way of copying his notes. 1842——英國(guó)天文學(xué)家約翰·赫歇爾爵士(1792-1871)介紹了藍(lán)曬法工藝,也被稱(chēng)為藍(lán)圖曬印法,他試圖找到一種復(fù)制筆記的方法。 未經(jīng)授權(quán),不得轉(zhuǎn)載! |