Miles.
F 3
Scale value of Dines Anemograph.
1927
Millimetres on sheet.
1931
Miles. 1927 1931 1 0.8 0.6 2 1.3 1.3 3 2.4 2.1 4 3.4 3.1 5 4.5 4.3 6 5.6 5.6 7 6.8 7.0 8 8.1 8.5 9 9.5 ... 10 11.0 11.8 20 26.1 26.8 40 56.2 56.8 63 86.4 86.9 80 116.5 116.9 100 146.6 147.0 120 176.7 177.0In determining the scale value for velocity up to 10 m.p.h. the U tube was tilted about 80° from the vertical, to obtain sufficient change in the water level for a given velocity.
The mean monthly results of comparisons with the records of the Beckley Anemograph from 1910-1930 are given in the following table, together with the results for 1931:
Miles.
F 3
Scale value of Dines Anemograph.
1927
Millimetres on sheet.
1931
I
0.8
0.6
N
15
1'3
3
2.4
2. I
4
3'4
3'1
5
4.5
4'3
6
5'6
5.6
t-
6.8
8
8.1
9
9*5
7'0
8.5
ΙΟΙ
10
11.0
11.8
20
26.1
26.8
988
40
56.2
56.8
63
86-4
86'9
80
116.5
116'9
100
146.6
147'0
120
176°7
177'0
In determining the scale value for velocity up to 10 m.p.h. the U tube was tilted about 80° from the vertical, to obtain sufficient change in the water level for a given velocity.
The mean monthly results of comparisons with the records of the Beckley Anemograph from 1910-1930 are given in the following table, together with the results for 1931:
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