220 ANNUAL REPOR? 
Grains, average diameter 0.00211 inch............... 24.74 
Grains, average diameter 0.00086 inch............... 17.84 
Grains, average diameter 0.00041 inch............... 9.30 
IDWS loSONY WAESS SWUSs occcccnssnasoecoosndosoencoes 43 .30 
The results of these experiments are given in the table below. 
It was a disappointment to find the results were not as concordant 
as would be desired, but showed variations that cannot be explained 
satisfactorily. This was the more annoying since considerable work and 
time was given to this investigation. 
s oe 
< : : See Approximate 
1.0CaOSiO, | 48.27 | 51.72 600 
«“ 700 | 2.98 
“ s00 | 1.70 
« | 900 | 7.34 | 
« 1,000 , 19.85 | 0.02 | 0.98CaOsiO, 
“ ee eS eG oe CaOSi0 , 
1.5CaOSiO, | 58.34 | 41.66 700 | 10.74 
“ 800 | 15.08 
“ 900 | 67.88 | 
c a | 1000) 57 56 | 04s) 1 1 o2caosio, 
“ oe 008 e276 alet0n03 1.47Ca0Si0 , 
“ ane Se ee ea bok 1.50Ca0Si0 ; 
2.0Ca0SiO, | 65.11 | 34.88 700 | 1.59 
c 800 | 50.00 
“ 900 | 30.37 
« ee ps 000 ooo = 1.97Ca0Si0 , 
« Ae ee | 100 20 or038 | 2070510), 
“ Maes bai Nao es 2CaOSiO , 
2.5CaOSiO, | 70.00 | 30.00 moO | 7eA 
« 900 | 29.37 | 
« eae _,. | 1,000 | 78.46 |° 0.95 1.55Ca08i0, 
‘ ba ee | 1,100 | 14.26 0.19 2.31CaOSi0 , 
fc nee | or | 1,170 | 6.80 | 0.09 | 2.41Ca0SiO, 
ee So. a 4 
