<* 54 )) 
A S, To {hew experimentally that the Force which 
the Spring exerts in this oblique Trufion is equal to 
10 Ounces: Take the Beam A B, which weighs 
4 Ounces, from its Pedeftal CT, and having fu- 
Ipended at each End, A and B 3 Ounces, fupport it 
under 'its Center of Gravity by the pufhing Pipe 
E F fet upright under it, and you will find that the 
Beam with the two Weights will thrufi: in the 
Wire k h as far as the Place which the oblique 
Trufion drives it to. 
1 
