JOURNAL OF THE FRANKLIN INSTITUTE. Vol. CXII. INDEX. Actinium, On the New Metal. By Dr. T. L. Phipson..... 464 Action at a Distance..... 470 Adams, Prof. W. Grylls. Lighting.... Scientific Principle involved in Electric Air, Properties of, relating to Ventilation and Heating. By Robert Birkinbine, John. Blast-furnace Hearths and Linings.. Book Notices: Civil Engineer's Pocket Book. By John C. Trautwine.............. 238 429 429 119 Figure of the Earth, An Introduction to Geodesy. By Prof. Modern Milling, etc. By Robert Grimshaw.... ...... 393 473 474 Preparation and Use of Cements and Glue. By John Phin........ 475 Working Drawings, etc. By Prof. L. M. Haupt..............156, 389 132 Cartwright, Henry, Memoir of. By Washington Jones..... 399 Weighing the Sun by a Soap Bubble......... 462 ...... 155 Clark, John S. Industrial Education from a Business Stand-point..... 218 468 Corliss Condensing and Corliss Non-condensing Engine, Experimen- 170 Du Puy, Charles M. Direct Manufacture of Iron from Ore, etc......... Dynamometer, Improved. By William P. Tatham..... 235 315 316 469 158 1 . 315 Dynamo-Electric Machines, Notes on the Properties of. By Elihu 427 .......................... 321 Electric and Magnetic Actions, Mechanieal Imitation of....... Lighting. Report of the Committee on the Precautions to be 294 217 401 Scientific Principles involved in. By Prof. W. .279, 364, 445 66 Lights. 435 46 Motor and Battery, Griscom's. Report of the Committee on Energy, On the Sources of, in Nature, available for Mechanical Effect. By Sir William Thomson... 376 England, Underground Life in.......................... 472 Expansion of Steam and Regulation of the Engine, Note relating to. Filtration by Sand at Berlin. By Prof. Wm. Ripley Nichols......... 436 408 Foreign Languages, Pronunciation of... 118 Franklin Institute. Award of the Elliot-Cresson Gold Medal to Wil- Election of W. H. Thorne to Board of Managers.. 394 .75, 316, 394, 476 477 Resolutions of the Board of Managers....................... on Griscom's Electric Motor and Battery..... Grimshaw, Robert. Percussion Rock Drills.......... Griscom's Electric Motor and Battery. Report of the Committee on 440 74 314 469 50 440 463 Iron and Steel, Experiments on the Strength of, at High Tempera- 241 66 The Direct Manufacture of, from Ore, etc. By Charles M. Du Puy, 1 Indigo and its Artificial Production. By H. E. Roscoe, LL. D., F. R. S. 295 66 66 Luminous Signals, Intermittent..... Magnetic Armatures, Various Effects of... LeVan, W. Barnet. Boiler Explosion, etc....... Connection between Refraction and Absorption of..................... Lightning, Effects of, upon Trees near Telegraph Wires................ Liquid Surfaces, Thermo-dynamics of Locomotive Sparks, Prevention of.............. Lunar Observations in Algiers..... Intensity of Iron.......................... 119 205 388 312 156 470 73 237 73 236 444 156 Magnetism to Atomic Weight, Relation of.. 236 Malleable Iron....... 385 Marks, Prof. Wm. D. Necessity of Clear Mechanical Conceptions...... 355 273 Mechanical Conceptions, Necessity of. By Prof. Wm. D. Marks......... 355 66 66 Imitation of Electric and Magnetic Actions........ 294 236 New Metal Actinium, On the............ Nichols, Prof. Wm. Ripley. Sand Filtration at Berlin 464 436 153 |