86 



MR RUSSELL'S RESEARCHES IN HYDRODYNAMICS. 



Experimental Station. — Union Canal. 



Breadth at top 

 Breadth at bottom 

 Maximttm depth 



= 40 feet, 

 = 30 feet, 

 := 6.6 feet, 

 Clayey bottom. 



See Fig. E, PI. II. 



Space = 1000 feet. 



Vel. = 11.730; 7.8473 miles. 



> Space = 700 feet, 



Vel. = 11.362 ; 78473 miles. 



Space = 800 feet, 



Vel. = 11.7713 ; 7.8369 miles. 



Paisley and Ardrossan Canal.— Dumbreck Bridge. 



Breadth at top 

 Breadth at bottom 

 Mean depth 



Exper. 



14. 

 16 

 16. 



=: 28.27 feet, 

 z3 irregular, 

 — 3.3 feet, 

 Muddy bottom. 



Sees. 



See Fig. D, PI. II. 



•| Space = 566 feet, { gj | ^*= = 9.114 ; 6.0972 miles. 

 Space = 820 feet. 



00 



Vel. = 9.111 ; 6.0962 miles. 



Slateford Aqueduct. — Union Canal. 



Sec Fio-. A, PI. II. 



Vel. = 14.352 ; 7.6944 miles. 



