joseph von fraunhofer demonstrating his invention, the spectroscope, after richard wimmer, victorian art 19th century - 發明家 幅插畫檔、美工圖案、卡通及圖標科學家, 19世紀風格, 科學
the lumiere brothers auguste marie louis nicolas and louis jean lumiere 1899 - 發明家 幅插畫檔、美工圖案、卡通及圖標兄弟, 印洗照片, 法國
leonardo da vinci, born on april 15, 1452, near vinci, italy, and died on may 2, 1519, in france, was the quintessential renaissance polymath. - 發明家 幅插畫檔、美工圖案、卡通及圖標明星, 名譽
