OF IRON BBAM8. 



437 



inches*, BC = .8, ^ 



D£ = .8, EF = |\\\\\\S\\\ \\\\\\ N 



B 



;!'•• 



.3. The weights, of 

 the casting when 

 reduced to the end, F 



and of the scale, were 8i -|- 4i = 13lbs. ThU 

 last weight is set down in each of the experi- 

 ments, but not used ; the weights given are extra 

 ones above it, and the deflections those that 

 answer to these extra weights. 



JL 



Expt. 2nd. — Length of arm 3 feet 10 inches, 

 AB = 4 inches, BC = .2, DE = 1 inch, EF 

 z= .2 inches, weight of casting at the end = 6|lbs. 

 scale = 4 J, both = 1 1 lbs. The weights were 

 hung, and the deflections taken, at the end. 



Defleetion. 



:Si— --eii 



nrvTElaslldfy 

 ^^iimpe.fect. 



.96 



1.20 

 1.35 

 1.65 



• All the dimensions are in inches, except otbenviie meO' 

 tioned, and the weights in lbs. 



3h 2 



