When this was open they could not feel any breeze at all, and it seemed as though it was not worth opening, but the mother said it was exactly right, for it made a draught, and carried all the dust gently outdoors. After a time Margaret took the broom and finished the floor, and when the dust lay in a little pile in the middle, her mother held the pan for her and she swept it all up, except a little which refused to come on; this they brushed up with the whisk-broom; they also brushed out all the corners of the room with the whisk and pan, because the broom was so large that it would not go in easily, and a little bit of dust had been left in each one. The carpets looked nice and fresh when they had finished. "Once in awhile," the mother said, "it is a good plan to have Bridget wipe off the carpets quickly with warm water in which a little ammonia has been put. She squeezes out a cloth almost dry and works quickly, not to wet the carpet too much, and the ammonia brings out the colors and makes the whole look like new. Some housekeepers like to put a couple of tablespoonfuls of turpentine in the water instead of the ammonia, and this is just as good for the carpet, and if there is any fear of moths being in it, it is even better. Every two or three months a carpet ought to be wiped off in one way or the other to keep it nice. Now while we wait for the dust to settle we will make the marble mantel clean. You can get a basin of water, the sapolio, a flannel cloth, and a white cotton one." They wet the cake of soap a little and rubbed the flannel on it and scrubbed the mantel thoroughly, and then the hearth, rinsing them off and wiping them dry afterward. They also wiped off the fireplace, using a dry cloth here, too, for fear of rust, and then took a damp one to wipe off the baseboard. If there had been a wood floor, that would have had to be treated just as the halls had been--brushed up with the soft brush, and wiped off with floor oil. And, her mother explained, if the halls had been carpeted Margaret would have had to sweep them with the broom and use the whisk in the corners and on all the stairs, one at a time, carefully. By this time there seemed to be no dust left in the air, so they wiped the pictures off with a clean duster, especially on the top where Bridget's duster sometimes failed to go. The sheets were taken off the sofa and piano next, and they were lightly dusted again, "just to make sure," Margaret said. The piano keys proved to be very sticky, and in some spots there were dark marks, as though a little girl had practised with unwashed fingers,--though, of course, no little girl would really do such a thing, the mother said. So Margaret got a little bottle of alcohol and a flannel cloth and sponged off each key. If she had used water on the ivory it would have made it yellow, but the alcohol did not injure it at all.