physics & mathematical constants, expressions and symbols. h - planck constant - 物理學家 幅插畫檔、美工圖案、卡通及圖標穩定
john frederic daniell frs (12 march 1790 – 13 march 1845) was an english chemist and physicist. - 物理學家 幅插畫檔、美工圖案、卡通及圖標
frog galvanoscope, luigi galvani 's experiment involved using dead frog legs to demonstrate that muscle contractions could be caused by an electrical current 18th century - 物理學家 幅插畫檔、美工圖案、卡通及圖標
hippolyte fizeau (1819-1896), french physicist, wood enjgraving, published in 1877 - 物理學家 幅插畫檔、美工圖案、卡通及圖標
benjamin franklin (1706-1790), us-founding father, wood engraving, published 1877 - 物理學家 幅插畫檔、美工圖案、卡通及圖標
portrait of joseph priestley, english-american unitarian theologian, pastor, philosopher, chemist and physicist - 物理學家 幅插畫檔、美工圖案、卡通及圖標
luigi galvani (1737-1798), italian physician, wood engraving, published in 1877 - 物理學家 幅插畫檔、美工圖案、卡通及圖標
hermann von helmholtz (1821-1894), german physiologist, wood engraving, published 1892 - 物理學家 幅插畫檔、美工圖案、卡通及圖標
guglielmo marconi, italian physicist and inventor and pioneer of wireless telegraphy - original print caricature from "vanity fair" 1895 - 物理學家 幅插畫檔、美工圖案、卡通及圖標美國
blaise pascal (1623-1662), french mathematcian and philosopher, woodcutg, published 1899 - 物理學家 幅插畫檔、美工圖案、卡通及圖標布莱兹·帕斯卡, 數學家
gottfried wilhelm leibniz (1646-1716), german philosopher, wood engraving, published 1881 - 物理學家 幅插畫檔、美工圖案、卡通及圖標
hans christian ørsted (1777 – 1851), danish physicist and chemist. in 1820 he discovered the magnetic effect of electric current and is considered a founder of the theory of electricity and electronics - 物理學家 幅插畫檔、美工圖案、卡通及圖標
andré-marie ampère (1775-1836) french physicist, engraving, published in 1882 - 物理學家 幅插畫檔、美工圖案、卡通及圖標雕刻圖像
gottfried wilhelm leibniz (1646-1716), german polymath, wood engraving, published 1854 - 物理學家 幅插畫檔、美工圖案、卡通及圖標
gustav theodor fechner (1801-1887), german psychologist, wood engraving, published 1870 - 物理學家 幅插畫檔、美工圖案、卡通及圖標雕刻圖像, 精神科醫生