MOTION IN RELATION TO THE SURFACE FRICTION OF FLUIDS. 
219 
Table II.—Experiments with Water (continued). 
Mean velocity, 
centimetres per 
second. 
(v.) 
Surface friction, 
dynes per square 
centimetre. 
(R.) 
Value of — 0 10 2 . 
pv* 
Value of - 10“ 3 . 
V 
Temperature. 
° C. 
Pipe No. 16. Diameter 1‘255 cm. (continued). 
705 
1172 
0-235 
77-0 
798 
1480 
0-232 
87-2 
884 
1776 
0-227 
96-6 
964 
2075 
0-223 
105-2 
i a . a 
1100 
2650 
0-219 
120-2 
v 10 U 
1036 
2363 
0-220 
113-2 
38-7 
7-28 
0-486 
4-37 
26-3 
3-71 
0-536 
2-97 
23-5 
2-90 
0-526 
2-66 
19-5 
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0-429 
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3-09 
1 A . K 
24-8 
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140-0 
68-8 
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171-0 
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0-331 
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1322 
3440 
0-197 
178 
1767 
5755 
0-1845 
238 
2150 
8322 
0-1813 
289 
2446 
10860 
0-1816 
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2762 
13360 
0-1748 
373 
3017 
16320 
0-1795 
407 
1322 
3407 
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178 
f Zo * U 
1800 
5796 
0-1788 
243 
2813 
14170 
0-1790 
380 
3090 
16700 
0-1750 
418 
3188 
17660 
0-1738 
430 
- 
Pipe No. 17. Diameter 07125 cm. 
245 
225 
0-375 
13-00 
193 
145-9 
0-392 
10-26 
> 9-3 
170-5 
117-2 
0-403 
9-06 
144-4 
89-4 
0-430 
7-74 
114-2 
59-6 
0-457 
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y * o 
281 
278 
0-353 
15-27 
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316 
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0-348 
17-17 
> 1U * I 
496 
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0-302 
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427 
576 
0-316 
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356 
427 
0-337 
19-5 
10-4 
574 
962 
0-292 
31-5 
640 
1156 
0-282 
35-1 
1 
718 
1433 
0-278 
37-6 
822 
1847 
0-273 
43-1 
s Q . £ 
920 
2230 
0-264 
48-2 
1004 
2620 
0-260 
52-6 
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2 f 2 
