50 Dearborn’s gold standard Balance. 
REFERENCES. 
aa, Fig. 9. The beam, raised to its pantion for use. 
&6 The base. 
ecc Three of the four adjusting screws in the base. 
dddd The four supporting columns. 
e The first lever, supporting on its centre the parallel AAA, 
J The second or bended lever, forked, and holding a friction- 
wheel to raise and support the first. 
g g The two semicircular brass arches, between which the 
beam vibrates, 
Ahhh The parallel. 
ti The pendants. 
& The equipoise, regulated by the screws Lim. 
an The index. 
oo The brace of the index. 
p The pallet. 
g The motor. 
_ ¥s Two supports for the beam, on which it rests, when not in 
use. ‘ 
