1814.] Experiments made at Greenland Dock. 45 



21. The same with the angular wedge foremost : 



Velocity per second, 12 f. Motive weight, 115*91 lbs. 



25. The parallelopipedon used in experiment 15 with a circular 

 wedge added to each extremity : 



Velocity per second, 12 f. Motive weight, 163-37 lbs. 



26. The parallelopipedon of experiment 24 with an angular 

 wedge added to each extremity : 



Velocity per second, 12 f. Motive weiglit, 9S-300 lbs. 

 27" The same parallelopipedon lengthened by having an inclined 

 plane added to its hindmost extremit}-. The oblique side of the 

 inclined plane is equal to the sum of the sides of the angular 

 wedge, or 7*314 feet : 



Velocity per second, 12 f. Motive weight, 22330 lbs. 



28. The same as the last, but the inclined plane foremost: 

 Velocity per second, 12 f. Motive weight, 10S'6;> lbs. 



29. The same parallelopipedon with an inclined plane at each 

 extremity : 



Velocity per second, 12 f. Motive weight, 85*199 lbs. 



30. The parallelopipedon of experiment 15 with an inclined 

 plane added to each extremity : 



Velocity per second, 12 f. Motive weight, 114*48 lbs. 



31. An isosceles triangle with its base foremost. Length, 30*333 

 feet. Breadth, 3*375 feet. Depth, 1*2187 foot. Area of the 

 base, 4*1 141 feet : 



Velocity per second. 6 f . Motive weight, 150*01 lbs. 



32. The same triangle with its vextex foremost : 

 Velocity per second, 6 feet. Motive weight, 55*140 lbs. 



33. An isosceles triangle with its base foremost. Lentrth, 20*222 

 feet. Breadth, 3*375 feet. Depth, 12187 foot. Area of the 

 base, 4*1 141 feet : 



VY'locity per second, 6 f . Motive weight, 148*06 lbs. 



34. The same triangle with its vertex foremost : 

 Velocity per second, 6 f. Motive weight, 49*905 lbs. 



35. An ibosceles triangle with its base foremost. Length, 10*1 1 1 

 feet. Other dimensions the same as the preceding : 



Velocity jjcr second, 6 f. Motive weight, 148*15 lbs. 



36. 'J'he same triangle with its vertex foremost : 

 Velocity per second, 6 f. Motive weight, 49 836 lbs. 



II. Bodies Immersed under the SmJ'ace. 



37. The parallelopipedon employed in experiment 16 attached 

 to a floating parallclopipctlon, /;, by means of two iron circular 

 bars (see fig. 1, plate XV.), the centre of the lower body being 

 immersed 6 feet : 



W'locity per second, 12f. Motive weight, 4 18*19 His. 



38. Parallelopipedon, /;, with the body, k (b"g. 2), attached to 

 it, till' centre of k inniierserl (', feet : 



Velocity per second, 1*2 f. Motive weight, 393 11 lbs. 



