SECONDARY STANDARDS. 
935 
1 part=0‘1355 grain. 
Scale. 
T + Y, D + 0-06gr. + X 10*27 
9-75 
9*84 
9*45 
9*65 
T + X, D + 0*06 gr. + Y 8*93 
9*21 
8*60 
8*71 
8*78 
T + Y, D + X 10-51 
9*58 
9*72 
11*11 
10*82 
10*79 
T + X, D + Y 10*49 
10*71 
T+X, D + 0*lgr. + Y 10*10 
9*71 
T + X, D + 0*2gr. + Y 9*06 
9-54 
T + Y, D + 0*lgr.+X 10*91 
11*01 
T + Y, D + 0*2gr. + X 10*17 
10*51 
10-10 
9-97 
T + X, D + 0*2 gr. + Y 10*65 
10*94 
10*46 
; 10*67 
10*89 
10*15 
341*78 
Scale. 
D + 0*06 gr. + X, T + Y 9*65 
9*34 
9-14 
9*28 
9-12 
D + 0*06 gr.+ Y, T+ X 9*36 
9-60 
9*74 
9*33 
9*43 
D + X, T + Y 7*37 
5*62 
8*16 
6*12 
7*75 
D + Y, T + X 8*47 
8*01 
D + 0*1 gr. + Y, T + X 8*87 
8*60 
D + 0*2gr. + Y, T+X 9*04 
8*72 
D + 0*01 gr. + X, T + Y 8*70 
8*06 
D + 0*2gr. + X, T + Y 9*22 
9*36 
8*91 
9*06 
D + 0*2gr.+ Y, T + X 9*93 
10*17 
9*65 
10*05 
10*10 
10*24 
302*56 
68T£!:68D + 6*8 grain + 39*22 parts. 
T:^i:D + 0*l781 grain in air (<=16*9, &=759'4). 
Til: 10VV + 0*1080 grain in air (log A=7*07832- 
Scale. 
T + Y, E + X 11*45 
11*21 
11*27 
10*76 
10*91 
T + X, E + Y 10*96 
10*44 
10-85 
11*96 
12*92 
112*73 
10 ). 
Scale. 
E + X, T + Y 9*55 
9-65 
9-42 
9*70 
9*46 
E + Y, T + X 9*47 
10*62 
9*90 
10*09 
10*00 
97^6 
20Tii20E + 14*87 parts. 
T£!:E + 0*1007 grain in air (i=17*2, 6=755*0). 
Tii:10W + 0*1262 grain in air (log A=7'07832 — 10). 
