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"A Textbook of Assaying: For the Use of Those Connected with Mines."

6 | 3.0
80 | 77-3/8 | 2.6 | 3.2
75 | 72-3/8 | 2.6 | 3.5
70 | 67-1/2 | 2.5 | 3.6
65 | 62-1/2 | 2.5 | 3.8
60 | 57-5/8 | 2.4 | 4.0
55 | 52-3/4 | 2.3 | 4.2
50 | 47-3/4 | 2.2 | 4.4
45 | 43 | 2.0 | 4.5
40 | 38-1/8 | 1.8 | 4.6
35 | 33-1/4 | 1.7 | 4.8
30 | 28-1/2 | 1.50 | 5.0
25 | 23-1/2 | 1.50 | 6.0
20 | 18-1/2 | 1.56 | 7.8
18 | 16-1/2 | 1.53 | 8.5
16 | 14-1/2 | 1.48 | 9.3
14 | 12-5/8 | 1.40 | 10.0
12 | 10-5/8 | 1.37 | 11.4
10 | 8-3/4 | 1.28 | 12.8
8 | 6-7/8 | 1.14 | 14.3
6 | 5 | 1.05 | 17.5
5 | 4 | 1.00 | 20.0
4 | 3 | 1.00 | 25.0
3.75 | 2-3/4 | 0.97 | 26.


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