COMPARISON OF PC No. 4 WITH PS. 869 
March 23. 100 parts =0*22348 grain. 
N+y, i+x. 
I+X, N+Y. 
N+X, I+Y. 
I+Y, N+X. 
20 49 
17*81 
16*41 
13*50 
20-61 
17*35 
17*21 
14*20 
21-05 
18*07 
17*49 
14-31 
21*17 
18*19 
D= 9*25 
17*59 
13-75 
20*07 
18*05 
C= 9*4 
17*47 
13-31 
20*04 
17*49 
F =743*0 
17*72 
14-10 
19*15 
16-44 
E= 14-6 
17*27 
14-66 
18*92 
17-37 
17*64 
13*97 
18*45 
16*62 
17*72 
13*74 
18*30 
16*26 
17*86 
13*81 
198*25 
173*65 
174*38 
139*35 
20(N + Y)£i: 
20(1 + X)— 24-6 parts. 
20(N + X)^20(I + Y)- 
—35*03 parts. 
40N£i:40l-0*13326 
grain in air (t= 
9-32, 6=741*72). 
March 30. 
100 parts =0*27112 grain. 
N+X, I+Y. 
I+Y, N+X. 
N+Y, I+X. 
I+X, N+Y. 
20-04 
16-10 
20*01 
18*74 
17*45 
16-05 
19*81 
18-07 
17*89 
15*70 
19*11 
18*57 
17*87 
15*05 
D= 16 19*95 
18*56 
22*11 
18*50 
c= 16 19*60 
17*95 
21*50 
18*30 
F=755*0 19*69 
17*94 
21*30 
19*29 
E= 17*9 19*70 
18*45 
20*31 
18-49 
18*75 
18*35 
20*91 
18-66 
17*80 
16-31 
20*80 
17*50 
17*20 
15*86 
200*18 
173*64 
191*62 
178*80 
20(N + X)£1 
20(1 + Y) — 26*54 parts. 
20(N+Y):ri20(I + X)- 
— 12*82 parts. 
40N£i:40I-0*1067l 
grain in air (^= 16*01, 6=753*3)., 
April 13. 
100 parts 
= 0*24070 grain. 
N+X, I+Y. 
I+Y, N+X. 
N+Y, I+X, 
I+X, N+Y. 
18*27 
15*11 
16*69 
13*36 
17*77 
15*90 
16*79 
13*12 
19-05 
16*07 
16*57 
12-60 
18*59 
15*52 
16-09 
12-35 
18*46 
15*89 
D= 14*2 
25-15 
20-67 
17*27 
15*19 
C= 14*25 
20*99 
17*45 
16*65 
14*22 
F=753*45 
21-47 
18*71 
16-85 
15-17 
E= 15*3 
20-92 
18*45 
16*76 
14*45 
20-77 
19*35 
17*26 
14*91 
21*51 
19*46 
16*56 
14*00 
21*34 
19*49 
193*49 
166-43 
218*29 
185*01 
22(N + X):ii 
22(1 + Y)— 27*06 parts. 
22(N + Y)£i22(I + X)- 
■33*28 parts. 
44N:ii44S — 0*14524 grain in air (<=14*24, 6=752*06). 
5x2 
