Emerson, Frederick  1788-1857 <br/><br/>
Communication to the American Academy of Arts and Sciences,  relative to a late report on ventilators and chimney-tops / by Frederick Emerson. -- 

 - Boston :  C. Stimpson,  1848. 
 - 12 p., 1 l. :  illus. ;  21 1/2 cm. -- 
<br/><br/> Deals with only such portions of the report as in the author's judgement do him injustice by attempting to disprove the originality of a ventilator lately invented and patented by him. 
<br/><br/><label>LCCN: </label>ca 17001172  
<br/><br/><label>LC Class. No.: </label>TH7683.V4  / E5