Alden, John Leslie,  1892- <br/><br/>
Design of industrial exhaust systems ... /  
John L. Alden 
 - 1st ed. 
 - New York :   The Industrial press;  1939. 
 - 2 p. 220 p.   illus., diagrs.  22 cm. 
<br/><br/> Título completo: Design of industrial exhaust systems. How to design, build or buy an exhaust system that will adequately an economically perform the functions required by law or prescribed by specialist in industrial hygiene. This treatise covers exhaust ventilation, low pressure pneumatic conveying. The desing of hoods, piping and structural details an the selection of dust separators and centrifugal exhaust fans.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>VENTILACION INDUSTRIAL<br/>DEPURACION DE AIRE<br/>SISTEMAS DE EXTRACCION
<br/><br/><label>Universal Decimal Class. No.: </label>628.83