276

MODERN PAPER-MAKING

[Air Control Installations, Ltd., Riiislip

FIG. 119.—VDEW OF A NEATLY DESIGNED HOOD FITTED OVER THE DRYEE PART OF A LARGE

NEWSPRINT MACHINE

LAYOUT CP WQLJg ABSORPTION AND VENTILATION PLAMT
[Air Control Installations, JW.» Ruislip.
FlG. 120.—DUGRAM H1USTRATING THE CIRCULATION AND REMOVAL OF AlR IN THE DRYER PART
OF A NEWS MACHINE
Note the amagement by which air is admitted to the machine-house roof to prevent condensation