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Occurrence and testing of foundry moulding sands

50 pages
UC-NRLF CANADA MINESDEPARTMENT OF DEPUTY MINISTERHON. MARTIN R. G. McCoNNEix,BURRELL, MINISTER; BRANCHMINES DIRECTOREUGENE HAANEL, PH.D., No. 21BULLETIN | andOccurrence Testing of SandsFoundry Moulding a in theUeing reprint of Report appearing Annual the Mines BranchSummary Report of 'he vcar I)ec>'niber 3.1. I".ending L. Heber B.Sc.Cole, OTTAWA GOVERNMENT PRINTING BlJRi 1917 \o. 47630467c i /CANADA DEPARTMENT OF MINES HON. MARTIN MINISTER R. G. DEPUTY MINISTERBURRELL, ; MCCONNELL, MINES BRANCH EUGENE DIRECTORHAANEL, PH.D., BULLETIN No. 2i Occurrence and Testing SandsFoundry Moulding a in theBeing reprint of Report appearing AnnualSummary the Mines Branch,Report of the year ending December 1916.for 31, BY L. Heber B.Sc.Cole, OTTAWA GOVERNMENT PRINTING BUREAU 30467c 1917 No. 476 PREFACE. No commercial is of more vital to at thequestion Canada,importance than the of the natural resources of thetime,present energetic development the Inlines of iron and steel. the notcountry, particularly along past, only of the iron ore in blast furnaces beenhas the smelted ourpart imported,greater sands used in the in have beenbut even the of our foundriesmaking castings also.
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