Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 541
3 76. 4.010 81.5 6.691 87- 19.081 71- 2.904 76.5 4.165 82. 7.115 87.5 22.903 71-5 2.988 77- 4-331 82.5 7-595 88. 28.636 72. 3-077 77-5 4.510 83- 8.144 88.5 38.188 72.5 3-171 78. 4.704 83-5 8.776 89. 57.290 73- 3.270 78-5 4.915 i 84. 9.514 89-5 114.588 73-5 3-375 79- 5.144 84.5 10.385 90. 74- 3-487… … Voltaic Arc. Davy discovered in 1809 that, when two carbon points,joined to the terminals of a powerful batter}^ were broughtinto contact and then separated a short distance, a flame wasproduced between the points, and the ends of the carbonsbecame incandescent, emitting an intense white light.…
Physics · Lantern projection · Electric apparatus and appliances
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