OBSERVATIONS FOR FINDING THE DENSITY OF PS.
839
In right-hand pan.
gr-
Scale.
K + (32) + 0‘18
17-15
0-19
20-55
0-20
23-87
0-190
20-64
Counterpoise balances K + (32) + 0-1884 grain.
Hook in water =0:K+(32)-
-2-1088 grains in air.
April 8. Hook in water.
In right-hand pan.
gr-
Scale. *
2-30
18-0
2-30
20-5
2-30
18-8
2-30
19-3
2-30
19-5
2-30
18-5
2-30
23-1
2-30
18-9
2-30
20-2
2-30
19-2
2-300
19-6
Counterpoise balances hook in
water + 2-3011 gr. in
In right-hand pan.
gr-
Scale.
K + (32) + 0-18
18-05
0-19
21-7
0-18
18-0
0-1883
19-25
Counterpoise balances K + (32) + 0-1902 grain.
Hook in water £hK + (32)-
-2-1109 grains in air.
April 16. Hook in water.
In right-hand pan.
gr.
Scale.
2-30
18-9
2-30
19-0
2-30
19-0
2-30
19-0
2-30
19-5
2-30
20-0
2-30
20-7
2-30
20-0
2-300
19-51
Counterpoise balances hook in
water+2-3013 gr. in
In right-hand pan.
gr-
Scale.
K + (32) + 0-18
17-65
0-18
18-55
0-19
19-95
0-19
21-65
0-19
21-8
0-18
16-8
0-185
19-4
Counterpoise balances K + (32) + 0-1865 grain.Hook in water £tK + (32) — g*l 143 grains in air.
Hook in water.
In right-hand pan.
gr-
Scale.
2-30
17-1
2-30
18-2
2-30
18-5
2-30
18-9
2-30
18-9
2-30
19-9
2-30
21-5
2-30
19-0
2-30
18-5
2-300
18-94
Counterpoise balances hook in water +2-3002 gr. in
April 17- In right-hand pan
gr-
Scale.
K + (32) + 0-18
15-9
0-19
17-6
0-22
29-05
0-18
15-3
0-19
15-7
0-20
21-05
0-1933
19-1
Counterpoise balances K+(32) +0-1956 grain.
Hook in water £:K + (32)—2-
1046 grains in air.
Hook in water.
In right-hand pan.
gr-
Scale.
2-30
31-0
2-24
12-1
2-28
25-0
2-27
22-9
2-26
19-7
2-26
19-0
2-28
25-0
2-26
18'2
2-27
20-5
2-26
18-0
2-28
21-0
2-26
17*0
2-28
20-9
2-26
19-5
2-28
21-0
2-30
26-5
2-26
15-6
2-28
18-0
2-30
24-8
2-28
15-0
2-30
24-5
2-28
19-0
2-2745
20-65
Counterpoise balances hook in water + 2-2727 gr. in
April 30. In right-hand pan.
gr-
Scale.
K + (32) + 0-20
24-0
0-18
14-8
0-19
18-2
0-20
22-7