the vapors, odors and gases, if any, pass off freelyby one outlet and are succeeded or displaced by acurrent of cold air which pervades the apartmentand keeps a pure dry atmosphere at all times. Fig.1 shows a section vertically, and Fig. 2 one trans-versely. As cold air falls naturally, being…
Combination · Claim · Patents · Manner · Set · Arranged · Purpose · Constructed · Main driving · Des pere · Purpose set · Address munn · Scientific American · Purposes set · Patent office · Coupling arm · York city · Square feet
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
