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

By: Material type: TextTextPublication details: Boston : C. Stimpson, 1848.Description: 12 p., 1 l. : illus. ; 21 1/2 cm. --LOC classification:
  • TH7683.V4 E5
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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.

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