File:Mechanical Contracting and Plumbing January-December 1908 (1908) (14779480804).jpg

Identifier: mechcontract1908toro (find matches)
Title: Mechanical Contracting & Plumbing January-December 1908
Year: 1908 (1900s)
Authors:
Subjects: Air conditioning Refrigeration and refrigerating machinery Heating Plumbing
Publisher: Toronto : Maclean-Hunter Pub. Co.
Contributing Library: Fisher - University of Toronto
Digitizing Sponsor: University of Toronto

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
shealth and his very life. Education and experience are goodteachers, but sometimes rather slow,then a little force often acts as a goodaccelerator, PLUMBER AND 8 TEAM FITTER AiJril 8, 1908. Heating and Ventilating a Theatre Description of the Upward System of Ventilation installed in tfae Royal Alexandra Tfieatre, Toronto. One of the arg-uments that are some-times heard against the use of an up-ward system of ventilation is the larg-eproportion of wasted heat that escapeswith the vitiated air. This argumentwould seem to have special weight in -a climate as cold as that of Canada. Theheating and ventilating- system, there-fore, which has been laid out for theRoyal Alexandra Theatre, Toronto, inwhich the ventilation is upward, hassome features of special interest. As in the case of a number of theatresthat have been equipped in Americancities lately, some of which have beenillustrated in these columns, the entirespace beneath both orchestra and stageis given up to a plenum chamber, re-
Text Appearing After Image:
8 April 8, 1908. PLUMBER AND STEAMFITTER ceiving a constant supply of freshwarmed and washed air which reachesthe occupants of the theatre throug-hscores of mushroom inlets located di-rectly beneath the orchestra chairs. The heating system is supplied withtwo large size cast iron sectional boilers,each having a total heating surface of6,000 square feet. The boilers arecross-connected and arranged so thateither one or both may be run at thesame time to do the same work. Theyare connected by heavy iron breeching,made of No. 16 black iron, to an up-right iron stack. The steam and return pipes are ar-ranged for low pressure gravity return,with the returns below the water line. radiators throughout the administrationand theatre parts of the building aretwo-pipe. The, risers in the dressingrooms at the rear of the theatre areone-pipe, with a complete system ofair mains, with automatic drip airvalves for all direct and indirect radi-ators. Included in the heating apparatus area number of coi

Note About Images