AMPLIFICATION OF THE LAW OF POISEUILLE

27

TABLE IX.—THE VISCOSITY OF WATER AT 10° CALCULATED BY KNIBBS FROM
POISEUILLE'S EXPERIMENTS, USING EQ. (8)

Tube
y xio»
t
R* X 10l°
f\

D .........
22
0.242840
0.013074*

M ..............
37
0.002367
0.013090*

C ..............
42
3.250400
0.013028*

D1 ...............
44
0.233770
0.013020*

B ................
56
10.235000
0.013202

C1.
57
3 265900
0 013071*

E..
64
0.047160
0.013242*

A ...........
70
24.941000
0.013145

Mean
0 013109

B1 ...............
75
10.276000
0.013134*

F ................
85
11,207.000000
0.013147

C11,
86
3.298000
0.013151*

D11.
87
0.227870
0.013078*

A1 ........
93
25.059000
0.013109*

BII ...............
115
10.303000
0.013070*

A11 ...............
139
25.183000
0.013119*

F1
163
11,187.000000
0.013065

Mean
0 013109

E1 ............
174
0.048400
0.013588*

QIH
175
3.339400
0.013092*

Dm
219
0.224400
0.013045*

B111
240
10.331000
0.013002*

A111 ......
277
25.231000
0.012946

Fir ...............
326
11,233.000000
0.013249

QIV
421
3.339400
0.012498*

A"" . .
450
25.231000
0.013343

Mean ....
0.013096

M1 ....... ........
558
0.002367
0.013181*

giv
630
10.357000
0.012742

F111
646
11,290.000000
0.013967

DIV ........
649
0.223310
0.012652*

E1 ...........
706
0.048400
0.013222*

cv ........... .
709
3.339400
0.012015

Av
742
25.231000
0.013515

AVI ..........
1,046
25.231000
0.013607

Mean. .........
0.013113

piv
1,254
11,316.000000
0.014891

Bv
1,455
10.368000
0.012193

Fv .....
3,034
11,316.000000
0.014851

Avn ...........
7,088
25.231000
0.016980