Decker, Alexander C., 301, 303 Decker Spread barbed wire, 301 Deer, traps for, 352 Deere, John, 42 Deere plows and tractors, 42, 223, 224, 362 Deere and Company, donor, 42, 362, 363, 409 Deerfoot Farm Co., donor, 8 Deering, see McCormick-Deering Dehorner, 253 De Laval cream separator, 19 De Laval Separator Co., donor, 19 De Long, Thomas A., donor, 350 Dentry, Gordon, donor, 256 Department of Agriculture, see Agriculture, Department of Deschner, Melvin, donor, 402 Dierbeck, John J., Jr., 365 Diesel cultivator, 255 Disk(s), for plows and cultivators, 77, 185, 370 Dobbs, John, 287, 338 Dodge, Thomas H., 321 Dodge and Washburn barbed wire, 321 Dry farming, plow for, 370 Drill, grain, 202 Duplicator for farm records, 406 Duval, Caleb Paul, 91 Duval, Virginia, donor, 91-96 Eagle plow, 54 Eagle Machine Co., 202 Eberle, Cecil, donor, 403 Eichner, L. C., 207 Engines, gasoline portable, 234; starter, 124; steam portable, 164, 254; tractor, 262 Ertl Company, donor, 378 Fairchild, E. C., 148 Fairhead, R. C., donor, 22 Fanning mill, winnowing, 74, 97, 134, 149, 360, 361, 399 Farmer's Museum, Hadley, Massachusetts, donor, 150-163 Fencing, barbed wire, 44, 208, 209, 248, 279-339 Ferguson, Harry, 76 Ferguson tractor, 76; disk plow, 77 Fertilizer, 148, 225-229 Fiber, 273, 343 Fitzhenry-Guptill power sprayer, 366 Flails, 12, 160, 265 Flax, 273, 343 Flickinger, J. and P., 118 Flop-over hay rakes, 136, 200, 204 Flour mill, 102 Flour sacks, 378 Food processing, implements used in, 22, 26, 56, 73, 90, 92-94, 100, 102, 112-117, 163, 221, 222, 230, 239, 242, 243, 247, 260, 271, 278, 345, 347, 348, 364, 371-374, 376, 389 Fodder, implements used in connection with, 34, 121, 123, 136-138, 146, 147, 152, 157, 168, 184, 191, 200, 204, 218, 261, 398 Forbes, Wells, 103 Ford tractor, 378 Fordson tractor, 350; crank for, 125 Forestry, 366, 385 Forge, Korean, 6 Fork(s), 34, 121, 123, 132, 146, 147, 152, 155, 167, 168, 184, 189, 191, 256, 274 Foster, John, 49 Four Point barbed wire, 322, 324-326 Fox trap, 355 Franklin Institute, donor, 237 Frentress, Henry, 331 Freezer, ice cream, 247 Frick Co., donor, 164 Frick steam engine, 164 Frye, Andrew W., donor, 212 Frye, William, 293 Gallic grain header, 13, 171 Garden tractor(s), 382, 409 Gardiner, Mrs. Arthur Z., donor, 406, 407 Gartling, Daniel, donor, 386-389 Garver, Cyrus, 31 Garver, Daniel, 31 Garver, Melchora, donor, 31 Gasoline engines, 234, 366, 387, 404 Gas-turbine tractor, 365 Gideon Davis plow, 52 Glass butter churn, 82 Glidden, Josiah F., 283, 288, 289, 291, 292, 311, 325, 333, 336, 337 Glidden barbed wire, 336, 337 Goss, Joseph, 294 Goodrich, C. O., donor, 124, 125 Gould, Mary E., 90 Goward, G., donor, 1-7 Grafting knife, 154