Transactions . e Callow machine, the analyses of classifiotl product,-*were all run with the same set of meslies. 522 Screening and Classifying—Cox-Gibbins-Porter TABLE Analyses of Runs in Table to run Xo. 1:— Mesh. On 20 30 40 60 100 Th. 100 Totals Weight in gmg. 1500 20 0 39 1 22 5 25 3 22 2 20-8 149 9 Percent. 100132615161413 •0?3•1•0•9•8•9 100 0 Weight of product in lbs. 1,798239470270304266250 •0•0•0•0•0•0•0 1,7990 Run No. 1. Mesh. Weight ingms. Per cent. Weight of product in lbs. 200 0 nil 0-5 2-7 24-5 73-7 198-5 100 0 379 0 On 20 30 0 1 123649 23393 6 4 46 140 187 8 40


Transactions . e Callow machine, the analyses of classifiotl product,-*were all run with the same set of meslies. 522 Screening and Classifying—Cox-Gibbins-Porter TABLE Analyses of Runs in Table to run Xo. 1:— Mesh. On 20 30 40 60 100 Th. 100 Totals Weight in gmg. 1500 20 0 39 1 22 5 25 3 22 2 20-8 149 9 Percent. 100132615161413 •0?3•1•0•9•8•9 100 0 Weight of product in lbs. 1,798239470270304266250 •0•0•0•0•0•0•0 1,7990 Run No. 1. Mesh. Weight ingms. Per cent. Weight of product in lbs. 200 0 nil 0-5 2-7 24-5 73-7 198-5 100 0 379 0 On 20 30 0 1 123649 23393 6 4 46 140 187 8 40 9 60 6 100 Th. 100 00 Totals 199-9 100-0 279 • 3 Run No. 2. Mosh. Weight ingms. Percent. Weight of product in lbs. 200 0 86-8 80-1 210 01 2-3 0-7 100 0 43-4 40-1 10-5 4-6 11 0-3 262 • 0 On 20 114 .105 27 12 2 0 0 30 0 40 5 60 0 \()() 9 Th. KK) 8 200 0 100 0 262 • 2 Screening axd Cl.\ssifying—Cox-Gibbins-Porter 523 Run No. 3. Mesh. On 20 30 40 60 100 Th. 100 Totals. Weight of product in lbs. 2810 81-4 122 5 43-6 25 6 70 14 281 5 Run No. 4. Mesh. Weight ofgms. Percent. Weight of product in Ibe. 2000 100013142-521-715 2611-4 2820 On 20 30 26844330122 193426 37 01200 40 60 100 Th. 100 61-2 42-9 17-2 3 9 Totals 199-7 1000 282-2 Run No. 5. Mesh. Weight ingnia. Percent. Weight of protluct in Ibe. 20004-849-352 955-62809 1 100 0 2990 On 20 224262714 4 4 75806 7 2 30 74 0 40 79 3 60 83 2 100 41 9 Th. 100 137 Totals 199-7 100 0 209 3 524 Screening and Classifying—Cox-Gibbins-Porter Run No. 5.—Overflow, Mesh. On 20 30 40 60 100 Th. 100 Totals Weight ingms. 2000727696035 •0•3•5•3•4•4•0 199-9 Per cent. 10003 13343017 •0•1 •7•7•7•2•5 99-9 Weight in product in lbs. 295 0 10 40 1028951 •0•3•9•5•5•1•7 295-0 The analysis of the feed shows the material to be very evenlydistributed among the various sizes with the exception of theon 30 mesh product which is nearly double the amount of theothers. Run 1 shows


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Keywords: ., book, bookcentury1800, booksubjectmineralindustries, bookyear1895