Mechanical Contracting & Plumbing January-December 1908 . Plan ol one of the Vent Ducts Leading- from the Dome of the Theatre. coil. There are dairpers above and be-low the stack which are operated bymeans of a thermostat placed in theplenum chamber and a main thermostatin the auditorium. The air is admitted from the plenumchamber to the auditorium throughabout 400 cast iron mushrooms, each•3 inches in diameter, clear opening,placed under the seats, as already men-tioned. There are two openings in the plenumchamber for supplying the vestibule,each of about 3 square feet and eachhaving suppleme
Mechanical Contracting & Plumbing January-December 1908 . Plan ol one of the Vent Ducts Leading- from the Dome of the Theatre. coil. There are dairpers above and be-low the stack which are operated bymeans of a thermostat placed in theplenum chamber and a main thermostatin the auditorium. The air is admitted from the plenumchamber to the auditorium throughabout 400 cast iron mushrooms, each•3 inches in diameter, clear opening,placed under the seats, as already men-tioned. There are two openings in the plenumchamber for supplying the vestibule,each of about 3 square feet and eachhaving supplementary indirect radiatorshung at the base of the flue to increasethe temperature of the air to about 125degrees. There is an exhaust fan placed in theroof house over the auditorium. This. t»AIH TO Typical Installation of Acme Air Wash er Equipped With Autonatic Humidity Control. us installed by this firm in the MajesticTheatre, Chicago, and in the Hippo-drome Building, Cleveland. The air, after passing through the airwasher, is delivered to the throat ofthe fan in the fan wall between the chamber and the heating cham-ber. This fan, which takes care of thepntirc air supply, is a 90-inch Baldwin fan is 60 inches in diameter and is runby a 1\ direct connected motor at300 This fan chamber is con-nected with eight outlets in the mainceiling (which are not shown in the il-lustration) and a large centre opening,by means of galvanized iron screens are placed at all hot10 ing and Ventilating Magazine for theplans, secured from the New Yorkcontractors. HOME-MADE PNEUMATIC WATERSYSTEM. A party living some distance from acity wished to have a cheap water sys-tem for his buildings and grounds andhe constructed a successful one, as KALEV
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