Canon Moseley on the steady Flow of a Liquid. 47 



Table X. 



Open rectangular channel ; the sides and bottom covered with 

 gravel-stone fixed in cement ; sides of stones of gravel from 

 O'Ol metre to 0'0.2 metre in diameter. Inclination of channel 

 0-0049 metre per metre; breadth of channel 1-832 metre. 

 Darcy, Series 4, pp. 75, 77. 



"i 



-( 



1 + 



2n\ _!^ 



X 



I 



}■ 



Index 



Depth of 



(>H-f)e-f. 



Maximum 



Q. 



Q. 



i number. 



1 



stream, 



velocity, 



By 

 theory. 



By expe- 

 riment. 





metre. 





metres. 



m. c. 



m. c. 



1. 



0-830 



0-98953 



0-847 



1164 



0100 



2. 



01234 



098156 



1-246 



0-2197 



0-203 



' 3. 



01651 



0-96854 



1-360 



0-3357 



0-307 



4. 



01917 



095921 



1-616 



04606 



0-411 



5. 



0-2226 



0-94928 



1-748 



0-5636 



0-515 



6. 



0-2499 



0-93828 



1-847 



()Q17Q 



0-618 



7. 



0-2782 



09,J060 



1-964* 



07627 



0-721 



8. 



0-3025 



0-92317 



20324^ 



0-8365 



0-824 



9. 



0-3240 



091621 



2124* 



09224 



0-927 



10. 



03507 



0-90760 



2205* 



1-0181 



1-030 



11. 



0-3737 



0-90031 



2-323 



11253 



M33 



12. 



0-3967 



0-89287 



2-352 



1-194 



1-236 



Note. — The maximum velocities Vq marked with an asterisk 

 were determined by jioats, the others with the gauge-tube {tube- 

 jaugeur) . 



Table XL 



Open rectangular channel,, the sides and bottom covered with 

 gravel-stones from O'OS metre to 0'04 metre in diameter fixed 

 in cement. Inclination of channel 0'0049 metre per metre ; 

 breadth of channel 1*861 metre. Darcv, Series 5, pp. 75, 76. 



Q=^{i-(i.f>-?}.o. 



Index 



Depth of 



C-^f)^-?- 



Maximum 



Q. 



Q. 



number. 



stream, 



velocity, 



By 



By expe- 





c. 



V,. 



theory. 



riment. 





metre. 





metres. 



m. c. 



m. c. 



8. 



0-3436 



0-90925 



1-887 



0-8961 



0-824 



9. 



0-3690 



0-90106 



1-912 



09305 



0927 



10. 



0-3946 



0-89293 



1-951 



0-9988 



1030 



11. 



0-4176 



0-88580 



2-006 



1-133 



10716 



12. 



0-4448 



0-87750 



2-037 



11405 



1-236 



