Kanter, Clayton, donor, 178, 179 Kelly, Michael, 310 Kennedy, Charles, 309 Kennedy Barbs barbed wire, 308 Kinsman, Pelatiah, 48 Kittleson, Ole O., 299 Kloch, Henry, 30 Knapp, N. E., donor, 379 Knapp sidehill plow, 379 Knecht, Albert, 201-204 Knives, 60, 61, 133, 151, 154, 157, 394 Ladder, orchard, 407 Ladder Wire barbed wire, 303 Lambert, Benjamin, donor, 213 Lamprey, J. P., donor, 10 Landis Eclipse thresher, 175 Lard press, 115 Laross and Brothers Co., donor, 349 Lawlor, Conrad, donor, 404 Lawn mower, 257, 409, 410 Lazy Plate barbed wire, 328 Leather, implements used in connection with, 96, 342 Leithiser, F. P., 244 Lesher, Christian, 111 Lesher, Daniel, donor, 111, 122 Livestock, implements and materials used in connection with, 35-41, 106-109, 145, 156, 159, 208, 209, 248, 253, 267, 268, 280-337, 369, 390 Log roller, 129 MacDougall, Allister F., 364 McCormick, Cyrus H., 98, 237 McCormick, Stephen, 38 McCormick-Deering, 205, 252, 289, 396-398, 400, 404 McCormick-Goodhart, Leander, donor, 38 McCormick Historical Association, donor, 28, 29, 98 McCormick reapers, 25, 27-29, 98, 131, 237 McMechan, A. E., donor, 340 McPeek, Mrs. Miles, donor, 339 Machinery, for corn picking, 80; for corn shelling, 278; for curd breaking, 161; for fanning mills, 74, 134, 149; for food slicing, 73; for milking, 39, 40, 126; for power sources, 164, 193, 234, 254; for reaping and mowing, 78, 131, 137, 169, 172-174, 237; for threshing, 12, 118; tractor, 124, 142, 220, 249, 262 Mahlon Smith plow, 177 Major, J. D., donor, 252 Malone, S., 75 Manning, William, 15, 169 Manning mower, 169 Manure, implements used in connection with, 79, 152, 155, 167 Maple sugar, implements used in connection with, 83-87 Marker sled, 194 Massachusetts Society for Promoting Agriculture, donor, 143-149 Massey-Ferguson, Inc., donor, 211 Matterville, N., donor, 393 Mattock, grubbing, 217 Meal, grist mill for, 102 Measures, feed, 35, 36 Meat, implements used in connection with, 22, 56-67, 94, 112-116, 240 Mechanical and Civil Engineering Division, Smithsonian Institution, donor, 385 Mehring, Bessie D., donor, 39, 40 Mehring, William M., 39, 40, 126 Mehring cow milker, 39, 40, 126 Merrill, John C, 327 Merrill, Leslie O., 379 Merrill Twirl barbed wire, 327 Meter, for crop estimating, 380 Miles, Mrs. Arnold, donor, 165-168, 263 Milk, implements used in connection with, 26, 260, 376; see also Dairying; Milking machine Milking machine, 39, 40, 126, 404 Miller Burial and Pliers Co., 166 Mills, John G., donor, 247 Mill(s), cider, 222; grist, 102; picks for, 372; sorghum, 374; sugar, 100 Mink, trap for, 356 Minneapolis-Moline, Inc., 249-251, 378 Mitchell, John W., donor, 259 Mittinger, A., Jr., 56-67 Moldboard, 51, 88, 89, 201 Moline Co., donor, 249-251; see also Minneapolis-Moline, Inc. Montgomery, James, 97 Montgomery, Joseph, 97 Montgomery, Ruth, donor, 97 Motley, Mrs. S. D., donor, 413