TABLE II.—VISCOSITY OF WATER IN CENTIPOISES AS DETERMINED BY DIFFERENT OBSERVERS

Temperature
Poiseuille
Sprung
Slotte
Thorpe and Rodger
Hosking
Bing-ham and Wnite
Average
Calculated by formula

A°
C
D'
E

o
1 7755
1 7900

1 7944
1 777
1.807
1 . 7766
1 7928
1 7960
1 7887
1 7921

5
1.5108
1.5137
1.5143
1.5142
1.5089
1.523
1.5083
1.522
1.5241
1.5155
1.5188

10
1.3045
1.3078
1.3088
1.3088
1.2995
1.313
1.3014
1.3105
1.3002
1.3061
1.3077

15
1 . 1385
1.1464
1 . 1465
1.1456
1.1334
1.143
1 . 1324
1.142
1.1373
1.1406
1 . 1404

20
1.0028
1.0073
1.0063
1.0087
0.9978
1.007
1.0005
1.006
1.0054
1.0046
1.0050

25
0.8900
0.8964
0.8966
0.8973
0.8947
0.895
0.8900
0.8926
0.8940
0.8941
0.8937

30
0.7958
0.8016
0.8011
0.8027
0.8183
0.802
0.7965
0.800
0.7991
0.8019
0.8007

35
0.7154
0.7194
0.7190
0.7207
0.7216
0.723
0.7190
0.724
0.7223
0.7205
0.7225

40
0.6466
0.6523
0.6508
0.6531
0.6558
0.656
0.6525
0.657
0.6557
0.6533
0.6560

45
0.5867
0.5934
0.5937
0.5932
0.6001
0.601
0.5959
0.600
0.5984
0.5958
0.5988

50

0.5512
0.552
0.5464
0.5500
0.5491
0.5497
0.5494

55

0.509
0.5044
0.508
0.5073
0 5072
0 5064

60

0.471
0.4676
0.469
0.4728
0.4701
0.4688

65

0.437
0.4343
0.436
0.4362
0.4359
0.4355

70

0.407
0.4048
0.406
0.4069
0 4062
0 4061

75

0.380
0.3782
0.380
0 3794
0 3794
0 3799

80

0.356
0.3547
0.356
0 3558
0 3556
0 3565

85

0.334
0.3336
0.335
0 . 3337
0.3341
0.3355

90

0.315
0.3140
0.316
0.3133
0.3146
0.3165

95

0.297
0.2970
0.300
0.2983
0.2981
0 . 2994

100

0.281
0.2814
0.284

0.2821
0.2838

1

to

CO
CO
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