Enquire within upon everything

Caution.--As it turns black under the action of the acids of the mouth, it should be used sparingly for front teeth. A tooth should never be filled while it is aching. 2447. Rose Lipsalve. i. Oil of almonds, three ounces; alkanet, half an ounce. Let them stand together in a warm place, then strain. Melt one ounce and a half of white wax and half an ounce of spermaceti with the oil; stir it till it begins to thicken, and add twelve drops of otto of roses. ii. White wax, one ounce; almond oil, two ounces; alkanet, one drachm; digest in a warm place, stir till sufficiently coloured, strain and stir in six drops of otto of roses. 2448. Ventilating Bedrooms. A sheet of finely perforated zinc, substituted for a pane of glass in one of the upper squares of a chamber window, is the cheapest and best form of ventilator; there should not be a bedroom without it. 2449. A Simple Method of Ventilation. Get a piece of deal two inches wide and one inch thick, and as long as the width of the sashes of the window in which it is to be used. Care should be taken to ascertain the width of the sashes exactly, which may be done by measuring along the top of the lower sash, from one side of the sash frame to the other. Raise the lower sash--drop in the piece of wood, so that it rests on the bottom part of the window frame, the ends being within the stops on either side, and then close the sash upon it. If properly planed up, no draught can enter between the wood and the bottom of the sash; but the air can enter the room in an upward direction, through the opening between the top of the lower sash and the bottom of the upper sash, any direct draught into the interior of the room being prevented by the position of the lower sash.