johann nikolaus von dreyse (1787-1867), wood engraving, published in 1869 - 發明家 幅插畫檔、美工圖案、卡通及圖標普魯士, 工廠
portrait of benjamin thompson, count rumford, american-born british physicist, inventor, and social reformer who made significant contributions to the understanding of heat and thermodynamics - 發明家 幅插畫檔、美工圖案、卡通及圖標
claude louis berthollet (9 december 1748 in talloires, france – 6 november 1822 in arcueil, france) was a savoyard-french chemist who became vice president of the french senate in 1804 - 發明家 幅插畫檔、美工圖案、卡通及圖標
sir richard arkwright (1732-1792), enlish industrialist, wood engraving, published 1882 - 發明家 幅插畫檔、美工圖案、卡通及圖標
joseph-marie jacquard (1752-1834), french inventor, wood engraving, published in 1870 - 發明家 幅插畫檔、美工圖案、卡通及圖標
jöns jakob berzelius (1779-1848), swedish physician and chemist, published 1877 - 發明家 幅插畫檔、美工圖案、卡通及圖標
portrait of alessandro volta, 1745 – 1827 was an italian chemist and physicist who was a pioneer of electricity and power, and is credited as the inventor of the electric battery - 發明家 幅插畫檔、美工圖案、卡通及圖標物理學家
christian friedrich schönbein (1799-1868) german-swiss chemist, wood engraving, published 1877 - 發明家 幅插畫檔、美工圖案、卡通及圖標
samuel f.b. morse (1791-1872), american inventor, wood engraving, published 1872 - 發明家 幅插畫檔、美工圖案、卡通及圖標
sir john herschel, english astronomer, mathematician, chemist, inventor and philosopher, son of william herschel, the discoverer of the planet uranus - 發明家 幅插畫檔、美工圖案、卡通及圖標
leonardo da vinci in profile with long beard — the renaissance master looks to the side beneath a soft cap with calm, penetrating focus - 發明家 幅插畫檔、美工圖案、卡通及圖標木版畫
bringing your innovative ideas to light: man with gears and light bulb illustration - 發明家 幅插畫檔、美工圖案、卡通及圖標
leonardo da vinci, invention, military, war chariot with spinning blades, renaissance art - 發明家 幅插畫檔、美工圖案、卡通及圖標發明, 15世紀風格, 圖畫 - 藝術品
