Show new ventilator solves fresh air draft problem for the family that divides itself in winter into the advocates of fresh air and the enemies of drafts peace is now possible with the perfection of a new ventilator which has recently appeared on the market every winter particularly in sleeping chambers a great many people feel that they are forced to choose between suffocating or resisting a freezing gale the need of fresh air is recognized and the danger of drafts is equally well established the problem has been in selecting a lesser evil this new ventilator provides a solution by by allowing air to enter the room quietly and effectively without creating enough movement of air to disturb the most sensitive person simple in construction the ventilator consists of two vented vented plates which overlap but do not touch and which have between them a copper screen the edges of each plate are turned in such a way that they are opposite the opposing plate so that the air is made to turn two corners by the baffle plates of the ventilator in this way the force of the wind on the outside is checked so that the movement of air on the inside does not extend any more than four or five inches from the ventilator while the baffle plates do not hinder fresh air from entering freely through the ventilator they do prevent rain snow and a large percentage of dust from passing through also the installation of this ventilator will not interfere with the easy opening and closing of the window because it goes on the outside with a rubber composition flip flap which seals the space between the window frame and the ventilator they are easily installed without the services of an expert adjustable brackets at each end of the unit allow for variations in the width of windows and require but two screws each the ventilator slips down between the brackets and can be inserted or removed effortlessly |