. Canadian foundryman (1921). an effec-tive means of ventilation, the designersof the foundry shown in Fig. 8, haveadopted a special system of ridge or point of each tooth is pro-vided with ventilators of the lanterntvpe, see AA Fig. 8, in sections of fiftyfoot length, the ventilating shutters be-ing operated from the inside of the foun-dry. This system, it is claimed, has beenvery effective in carrying off the foulgases, and providing a natural circula-tion of fresh air throughout the build-ings. Fresh air and sunlight are as neces-sary as food to maintain the health andstreng
. Canadian foundryman (1921). an effec-tive means of ventilation, the designersof the foundry shown in Fig. 8, haveadopted a special system of ridge or point of each tooth is pro-vided with ventilators of the lanterntvpe, see AA Fig. 8, in sections of fiftyfoot length, the ventilating shutters be-ing operated from the inside of the foun-dry. This system, it is claimed, has beenvery effective in carrying off the foulgases, and providing a natural circula-tion of fresh air throughout the build-ings. Fresh air and sunlight are as neces-sary as food to maintain the health andstrength of the individual, and the won-der is that men have lived and workedas long in some of these dark, ill-venti-lated buildings, that have housed them,in many instances, for the most yearsof their natural life. Fresh air andsunlight nature supplies us with in abun-dance, and it is pleasing now to see theefforts that are being made to supplyour industrial buildings with these life-sustaining elements of nature by Fig. 8. ?The Saw Tooth Type of Roof. 24 CANADIAN FOUNDRYMAN Vol. XII Bronze Antiquities From Ancient Boscoreale Treating on the Eruption of Mount Vesuvius in the Year 97,and the Bronze Castings Which Have Been Unearthed During the Last Few Years IN THE last few issues of CanadianFoundryman, there have appearedsome interesting articles from the penof Mr. W. P. Essel on the subject ofancient foundry work, mostly of bronze,which not only tended to show thatbronze was the principal commercialmetal of those bygone days, but alsoto show that the workmen of those dayswere well up in the art and science ofmolding and founding metals. There is no reason why they wouldnot be as intelligent in those days asthey would be if born during the presentcentury. It is nevertheless reasonablethough to conclude that each generationhas the opportunity of learning all thatthose before them knew, and in additionhas the advantage of modem inventionswhich keep springing up fr
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectfoundri, bookyear1921
