COMPARISON OF PC No. 3 WITH PS. 
867 
February 13. 100 parts =0*26281 grain. February 14. 100 parts =0*26683 grain. 
M+X, I+Y. 
I+Y, M+X. 
M+Y, I+X. 
I+X, M+Y. 
23*49 
21*00 
19*89 
19*01 
23*55 
21*11 
19*99 
19*40 
22*10 
20*77 
19*27 
18*14 
22*65 
20*82 
D= 15*73 
19*26 
17*47 
23*57 
20*27 
C= 15*82 
19*55 
18*34 
21*99 
20*12 
F = 767*55 
18*85 
17*65 
22*25 
20*55 
E= 16*05 
18*12 
17*70 
22*41 
20*54 
17*95 
16*41 
22*01 
21*27 
18*12 
17*24 
21*59 
21*30 
17*91 
17*14 
225*61 
207*75 
188*91 
178*50 
20(M + X):£!; 
20(1 + Y) — 17*86 parts. 
20(M + Y)ii20(I + X)- 
— 10*41 parts, 
40M£!:40I — 0*07472 g 
rain in air (t= 
15*8, 6=766*04). 
March 18. 
100 parts =0*24265 grain. 
M+Y, I+X. 
I+X, M-f-Y. 
M+X, I+Y. 
I+Y, M+X. 
16*80 
16*40 
18*99 
17*24 
17*71 
14*65 
19*06 
17*82 
17*92 
15*94 
19*44 
17*76 
17*54 
14*40 
D= 15*13 
19*39 
17*96 
16*66 
15*16 
C= 15*22 
19*06 
16*76 
16*07 
14*40 
F=752*4 
18*25 
17*00 
16*39 
14*00 
E= 15*9 
18*24 
17*05 
15*52 
13*36 
18*64 
16*85 
14*92 
13*42 
17*25 
17*01 
15*35 
13*75 
17*57 
16*15 
164*88 
145*48 
185*89 
171*60 
20(M + Y)£!: 
20(1 +X) — 19*4 parts. 
40M£i40I-0*08176 
grain in air (^= 
20 ( M + X) £i: 20( 1 + Y) - 
15*19, 6=750*95). 
14*29 parts. 
March 19. 
M+X, I+Y. 
I+Y, M+X. 
100 parts =0*24331 grain. 
M+Y, I+X. 
I+X, M+Y. 
22*79 
21*66 
17*54 
17*11 
23*35 
21*60 
17*27 
15*17 
23*04 
22*27 
17*45 
15*54 
22*50 
21*76 
D= 14*0 
16*77 
14*84 
2.3*12 
21*65 
C= 14*08 
15*97 
14*09 
22*82 
21*57 
F= 753*2 
1*5*75 
13*97 
22*30 
21*51 
E= 14*45 
15*74 
14*64 
22*21 
21*42 
15*92 
13*57 
21*40 
20*65 
15*24 
13*40 
20*15 
20*01 
15*64 
14*50 
223*68 
214*10 
163*29 
146*83 
20(M + X)£!:20(I + Y)-9*58 parts. 20(M + Y)ii:20(I + X)-l6*46 parts. 
40M£!: 401—0*06336 grain in air (<=14*06, 6=751*92). 
5 X 
MDCCCLVI. 
