COMPARISONS OF Sp, RS, ETC. 
767 
April 22 , 23 . 100 parts 
= 0*14798 grain. 
gr. pt. 
Spii:Sb + 0*0 1—0*45 
+ 0-01—0*45 
+ 0 * 01 — 0*60 
+ 0 * 01 - 1*90 
+ 0*01-0*70 
+ 0*01—0*95 
+ 0*01 — 1*05 
+ 0*01-3*10 
+ 0*01-3*00 
+ 0 * 01 — 2*90 
Mean Sp — Sb + 0*00777 gr» in air 
(<=62*2, 6=30*145). 
April 24. 100 parts 
= 0*14009 grain. 
gr. pt. 
K£iSp + 0*027 -0*10 
+ 0-027-M5 
+ 0*027 — 0*90 
+ 0*024 + 0*20 
+ 0*024 + 0*50 
+ 0*024 + 0*25 
+ 0*024 — 0*10 
+ 0*024 + 0*30 
+ 0*024-0*30 
Mean K:i2:Sp + 0*02479 gr- in air 
(<=62*2, 6=30*186). 
April 23. 100 parts 
= 0*14798 grain. 
gr. pt. 
RSiiSb + 0*0l6~0*35 
+ 0*016- 1*45 
+ 0*016-0*90 
+ 0*016-1*45 
+ 0*016-1*70 
+ 0*016-1*10 
+ 0*016 — 1*05 
+ 0*016 — 1*10 
+ 0*016 — 0*65 
+ 0*016 — 1*70 
+ 0*016-0*95 
Mean RS :£iSb + 0*01 433 gr. in air 
(<=62*33, 6=30*235). 
gr. pt. 
K£:RS + 0*016 + 1*00 
+ 0*016 + 1*85 
+ 0*016+1*80 
+ 0*016 + 1*70 
+ 0*016 + 1*45 
+ 0*016 + 2*00 
+ 0*016 + 1*60 
+ 0*016 + 1*45 
Mean Kii:RS + 0*01 837 gr. in air 
(<=62*33, 6=30*196). 
April 23. 100 parts=0*144 grain, 
gr. pt. 
K=Sb + 0*040-4*95 
+ 0*030 + 0*12 
+ 0*034 — 2*37 
+ 0*030 + 6*40 
+ 0*030 + 3*80 
+ 0*030 + 4*05 
+ 0*030 + 3*45 
+ 0*030 + 2*40 
+ 0*020 + 8*20 
+ 0*030 + 2*40 
+ 0*030 + 0*95 
+ 0*030 + 1*80 
+ 0*030 + 0*70 
+ 0*030+1*00 
Mean K = Sb + 0*033l6 grain. 
Aprils. 100 parts= 0*2244 grain, 
gr. pt. 
K = Sb + 0*031 + l*00 
+ 0*031 + 1*65 
+ 0*031 + 1*95 
+ 0*031 + 1*80 
+ 0*031 + 1*20 
+ 0*031 + 1*40 
+ 0*031 + 1*90 
Mean K = Sb + 0*03449 grain. 
April 22. 100 parts= 0*1 48 grain, 
gr. pt. 
Ex = Sb + 0*0l6-0*25 
+ 0 * 020 - 2*72 
+ 0*013 — 2*00 
+ 0*010 + 0*05 
+ 0*010-0*63 
+ 0*010 + 0*60 
+ 0*010 + 1*45 
+ 0*010 + 0*40 
+ 0*010 + 0*95 
+ 0 * 010 + 1*00 
+ 0 * 010 + 1*20 
+ 0*010 + 1*10 
Mean Ex = Sb + 0*01172grain. 
gr. pt. 
K=Ex + 0*010 + 3*13 
+ 0*014 + 0*37 
+ 0*014 + 0*35 
+ 0*015 — 1*95 
+ 0*015-1*70 
+ 0*015 — 0*65 
+ 0*015 + 0*05 
+ 0*015 — 0*50 
+ 0*015 — 0*05 
+ 0*015 — 0*25 
+ 0*015 — 0*20 
+ 0*015 — 0*10 
Mean K = Ex + 0*01 406 grain. 
gr. 
L=Sb + 0*02,33 
+ 0*0206 
+ 0*0203 
+ 0*0158 
+ 0*0171 
+ 0*0169 
+ 0*0181 
+ 0*0178 
+ 0*0196 
Mean L=Sb + 0*01883 grain. 
100 parts= 0*1 16 grain. 
gr. pt. 
K=L + 0*007-0*35 
+ 0*007 + 0*25 
+ 0*007 + 1*40 
+ 0*007 + 2*80 
+ 0*010 + 1*75 
+ 0*010 + 2*70 
+ 0*013 + 0*50 
+ 0*013 — 0*35 
+ 0*013 — 0*01 
K=L + 0*01079 grain, 
gr. 
Ed=Sb + 0*0285 
+ 0*0290 
+ 0*0287 
+ 0*0227 
+ 0*0235 
+ 0*0248 
+ 0*0276 
+ 0*0250 
+ 0*0204 
+ 0*0232 
Mean Ecl = Sb + 0*02534 grain, 
K = Erl + 0*0065 
+ 0*0082 
+ 0*0062 
+ 0*0059 
+ 0*0054 
+ 0*0064 
+ 0*0037 
+ 0*0078 
+ 0*0060 
+ 0*0059 
Mean K = Ed + 0*00621 grain. 
100 parts = 0*121 grain, 
gr. pt. 
D = Sb + 0*031-l*40 
+ 0*031 — 1*90 
+ 0*031 — 1*60 
+ 0*030 + 0*65 
+ 0*030 — 1*30 
+ 0*030 — 1*80 
+ 0*030-1*80 
+ 0*030 — 1*40 
+ 0*030-1*40 
I Mean D = Sb + 0*02873 grain. 
s 
