COMPARISON OF PC No. 1 WITH PS. 
February 20. 100 parts= 0*22624 grain. 
K+Y, 1+X. 
I+X, K+Y. 
K+X, 1+Y. 
I+Y, K+X, 
21*70 
23*17 
18*09 
19-79 
23*27 
22*27 
18*55 
19-02 
22*22 
22*86 
19*11 
20-25 
22*29 
23*07 
D= 
= 9-3 19-70 
20*40 
21*66 
21*20 
C = 
= 9-5 18-54 
20*74 
21*26 
20*77 
F = 
= 766*8 19*16 
20*39 
20*95 
21*24 
E= 
= 16*8 19-12 
20*35 
20*50 
20*26 
19-02 
19-72 
19-62 
20*36 
18*99 
20*07 
20*55 
19-65 
19-50 
20*59 
214*02 
214*85 
189-78 
201*32 
20(K + Y):<i 
20(1 + X) + 0*83 part. 
20(K + X)£h20(I + Y) + 11*54 parts. 
40K £1:401 + 0*02799 grain 
in air (<=9*4, 6=765*30). 
February 25. 
100 parts= 0*29063 
grain. 
K+X, 1+Y. 
1+Y, K+X. 
K+Y, I+X. 
I+X, K+Y. 
20*35 
21*56 
17-10 
17-15 
19-85 
21*67 
16*05 
16*66 
19-36 
21*00 
17-45 
17-51 
18*84 
20*69 
D= 18*05 
16*81 
17-70 
18*62 
19-92 
C= 18*1 
16*57 
16*45 
18*67 
19-75 
F = 753*05 
17-19 
17*51 
18*90 
19-12 
E= 18*5 
16*69 
17-77 
18*62 
18*97 
16*50 
17-42 
18*37 
19-06 
16*92 
16*42 
18*21 
18*22 
16*76 
16*49 
189-79 
199-96 
168*04 
I7I-O8 
20(K + X) 
£: 20(1 + Y) + 10*1 7 parts. 
20(K + Y)£2:20(I + X) + 3*04 parts. 
40K £5:401 + 0*03839 grain in air (<= 
= 18*08, 6=751*28). 
March 6. 
100 parts= 0*29781 grain. 
K+Y, I+X. 
I+X, K+Y. 
K+X, I+Y. 
I+Y, K+X. 
18*00 
19-00 
15*22 
15*36 
17-34 
17-31 
12*85 
13*22 
17-41 
18*06 
20*41 
20*36 
16*32 
17-07 
D= 17-85 
20*05 
19-50 
16*07 
17-57 
C— 17-85 
20*12 
19-37 
16*35 
16*65 
F = 755*3 
19-05 
19-17 
16*10 
16*24 
E= 18*35 
18*07 
18*42 
15*80 
16*37 
17*47 
17-42 
15*54 
16*46 
16*54 
16*55 
16*04 
15*97 
15*80 
15*62 
164*97 
170*70 
175*58 
174*99 
20(K + Y) 20(1 + X) + 5*73 parts. 20(K + X) £!= 20( I + Y) - 0*59 part. 
40Kii40I + 0*01531 grain in air (<=17-88, 6=753*54). 
863 
