Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 538
ut from ahard piece of battery carbon or from a piece of gas retortcarbon. The test tube is nearly filled with water, which bears upthe cork float and brings the upper end of the carbon pen-cil into contact with the carbon button ; the pressure of thepencil against the inclined surface of the… … Electric Lamp. 5i6 EXPERIMENTAL SCIENCE. TABLE OF TANGENTS. Degrees. Tangents. 1 Degrees Tangents. Degrees. Tangents. Degrees. Tangents. I. .0175 18. •3249 35- .7002 52. 1.279 i-S .0262 18.S ■3346 35^5 •7133 52.5 1^303 2. •0349 19. •3443 36- .7265 53^ 1^327 2.5 •0437 19.5 •3541 36^5 .7400 53^5…
Physics · Lantern projection · Electric apparatus and appliances
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