blackboard eraser Definition

gizmo, kitchen utensil, waffle iron, clothespin, ottmar mergenthaler, spirograph, eggbeaters, electric typewriter, tinkertoy, cooking utensil, peppermill, malted milk, metate, darning needle, pianola, pastry dough, adz, treadle, contraptions, rattail, doohickey, dishpan, pancake turner, icebox cake, allen wrench, embroidery hoop, mallets, carpet sweeper, diabolo, gumdrop, zithers, hatpin, matryoshka, clawlike, zoetrope, potholder, springerle, plumb bob, mousetrap, flyswatter, pepper grinder, locking pliers, johann gutenberg, peapod, needlenose pliers, headpin, dishtowel, squash racquets, milking stool, sponge mop, lebkuchen, scotch tape, hatbox, laceless, hassock, gatling, satin stitch, clawhammer, teddybear, norbert wiener, spinning jenny, hourglasses, barrette, linotype, stud finder, linotype machine, washtub, homunculi, bookman, cogwheels, jellyroll, symbolics, melvil dewey, typewriter keyboard, vacuum tube, garden trowel, soup ladle, bolas, phonograph needle, whap, gatling gun, clackers, ballpoints, luges, brogans, thumbtack, chamois cloth, charkha, wiggler, netsuke, bavarian cream, braining, nutmeat, bristle brush, whittler, scimitar, mattock, pepper shaker, tetrahedrons, rickrack,