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Why buy York Products? - AIR-TECH MECHANICAL We Care About Your Air!Heating, Air Conditioning & Ventilation
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The principles of ventilation and heating and their practical application. Figure 23.—PLAN OF BASEMENT OF FIFTH AVENUE PRESBYTERIAN CHURCH,NEW YORK CITY.—Carl Pfeiffer, Architect.A.—Fresh-air supply shaft from tower.Entrance for air 75 feet
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