tail, 79–83, 86 tail-spin, 81, 128–29, 131 Tate, “Dan,” 80 Tate, William J., 56–57, 59–61, 62, 65, 66, 80, 102 _Tattler_, 37 Taylor, Charlie, 86, 121, 127, 136, 202, 226, 231 telegram reporting Kitty Hawk flight, 103–104, 106, 107 Tempelhof field, 261 Thompson, Samuel, 20 Thompson, Mrs. Samuel, 20–21 Thompson, William Boyce, 286 Thorne, Tom, 41–42 tires, 41 Tissandier, Paul, 248, 250 Tomlinson, John, 145 _Tono-Bungay_, 216 transcontinental plane flight, first, 281–82 Truxell boys, 33 Tunison, Frank, 106, 140 Turpin, C. O., 275 U. S. Board of Ordnance, 150, 153, 154, 155, 158–60, 162–65, 208, 211 U. S. Signal Corps, 208, 211, 212–13, 265 U. S. War Dept., 147–65, 207–209, 213, 226, 305 n. Vanderbilt, Cornelius, 270 Veblen, Thorstein, 5 Victor Emmanuel of Italy, 256 Voisin, Gabriel, 168–69 Waddell, Theodore, 146 Wainwright, L. M., 90 Walcott, Dr. Charles D., 301–309, 314–15, 318, 325 warping mechanism, 63–66, 79, 81, 132–33 Washington (D. C.) _Post_, 105, 109 Weaver, Henry M., 175, 207 Weaver, Henry, Jr., 175–79, 180, 182, 192 Webbert brothers, 145 Webbert, Mr., 115 Weber, William, 145 Weiller, Lazare, 213, 255 Weiller, Mme., 248 “well-digging,” 81 Welsh, A. L., 275 _West Side News_, 36 Westcott, Robert, 95 Western Society of Engineers, 73, 291; _Journal_, 75, 291 Whitfield, Forrest, 32 Whitney, Harry Payne, 286 Wilhelm, Kaiser, 204, 256–57, 262, 264 Wilson, Mary, 25 wind-tunnel, 74–78 woodcuts, 29