REPORt ON HYDRAULICS. — PART 11. 



499 



Comparative Average Velocities of the River Thames, as taken upon 

 the Flood and Ebb Tides, in 1831 and 1833. 



Between Westminster and Waterloo Bridges. 



Between Blackfriars and Southwai'k Bridges. 



Between South wark and New London Bridges. 



2 K 2 



