LXXXVIII. 
HERBERT E, ROSS. 
Double leather belt, 6” wide, cemented only, oak tanned, grain 
side to pulley. Endless. Dressed day previously with castor oil. 
Lbs. tension as before. 
275 
400 
490 
650 
Horse power. Nearest coeff. 
6°3 + 0°6 
9°3 9 
11°5 me 
14°9 is 
Rawhide belt, 6” wide, grain to pulley. Endless. 
Lbs. tension as before. 
275 
350 
400 
490 
650 
Horse power. Nearest coeff. 
64s 
77 i 
9:1 ss 
11:3 ” 
14-9 i 
Woven hair belt, patent edge, new, with manufacturer's surface 
in best condition. 
Lbs. tension as before. 
650 
Rubber belt, 6-ply, 6” wide, new. Wire lacing. 
Lbs. tension as before. 
650 
Horse power. Nearest coeff. 
5-6 O85 
84 - 
9°8 ” 
13-0 ie 
Horse power. Nearest coeff. 
5°5 
85 " 
9-9 “ 
13-2 & 
Dry single leather belt, 6” wide, cemented only, grain side to 
pulley. Endless, 
_ Lbs. tension as before. Horse power. Nearest coeff. 
275 
400 75 ” 
490 88 oy 
650 +120 ” 
