Edison, Thomas, 37. Egypt (ancient), 76, 85, 128, 151, 153, 208, 211, 222. Electric car, 161. Electric light, 36. Electric stove, 27. Electric telegraph, 232-239. Electro-magnet, 232. Elevator architecture, 142. England, 22, 49, 59, 89, 176, 178, 227. Ericsson, John, 184. Escapement, 198. F Faust, John, 221. Felly, 152. Field, Cyrus W., 238. Firebrands, 4. Fire-clock, 189. Fire drill, 6. Fireflies, 28. Fireplace, 14, 20. Fire signals, 228. Fitch, John, 181. Flying-machine, 163. Flying shuttle, 116. FORGE, history of, 38-53. France, 23, 178. Franklin, Benjamin, 233. Friction-chemical match, 10. Fulton, Robert, 183. Furnaces, 25, 46. G Gable, 131, 136. Galley, 171. Gang plow, 78, 83. Gas, 35. Germany, 46, 221. Gothic architecture, 137. Gray's electric telegraph, 233. Greeks (ancient), 18, 32, 57, 86, 131, 152, 171, 192, 215, 224. Gutenberg, John, 221. H Haimault scythe, 87. Hargreaves, 119. Harvester, complete, 95. Heating, 7. Hebrews (ancient), 86, 102, 222. Heddle, 112, 114. Henry, Joseph, 234. Hero's Engine, 55, 71. Hertz, Heinrich, 241. Hieroglyphics, 208. Hill, Sir Rowland, 227. Hooke, Robert, 230. Hopper (for mill), 100. Horse, 146. Horseless carriage, 161. Hot blast, 50. HOUSE, history of, 123-147. Hub, 151. Hussey, Obed, 91. Huygens, Christian, 201. Hypocaust, 18. I Ideographs, 207. Incandescent light, 37. Industrial revolution, 119, 158. Ionic column, 133. Iron Age, 44-52. IRON, history of, 41-63. Iron plow, 81. J Jacquard's attachment, 122. Jacquard, Joseph, 120. Jefferson, Thomas, 81. Job's plow, 75. Jouffroy, Marquis, 178. K Katta, 74. Kay, John, 116. Keel, 169. Knocking-stone, 97. Koster, Laurence, 221. Knots (for writing), 204. L Lake dwellings, 126. LAMP, history of, 28-37. Langley, Professor, 165. Lathe (of loom), 115. Letter, 222. Livingstone (quoted), 99. Llama, 145. Locomotive, 156-161. LOOM, history of, 109-122. M McCormick, Cyrus, 91. Magnetic needle, 175. Manuscript volumes, 217. Marconi, William, 240. Mariner's compass, 175. MATCH, history of, 4-12. Memory aids, 204. MESSAGE, history of the, 222-241. Message sticks, 205. Meteoric iron, 41. MILL, history of, 97-108. Millstone, 100. Mortar, 97. Moldboards, 78, 81. Morse, S. F. B., 235. Moveable types, 220. Murdock, William, 35. N Newbold, Charles, 82. Newcomen, Thomas, 62. Neilson, 49. Newton, Sir Isaac, 156. "Nürenburg eggs," 199. O Oarlock, 168. Oersted, Professor, 233.