“REMARKS 
ON THE CONSTRUCTION OF THE COMMON SCALE-BEAM, WITH 
A DESCRIPTION OF THE NEW GOLD STANDARD 
BEAM, INVENTED BY THE AUTHOR, 
-. 5. Mr. BENJAMIN DEARBORN. 
oo 
‘THE common Slee Beant has a fixed centre of gravity at some 
distance below the centre of motion ; by this construction the beam i is. 
drawn to a level or horizontal postion) ; the € power, by which i it is thus: 
influenced, is invariable, and is prop ) the weight of the bea 
and the — the two centres 4 cena gist 
* Ne sig 
cra aon eerie as. 
a, and the centre of gravity at or 
in ck the p ‘power of gravity will “draw the centre 4, directly fog 
the centre a, in the line cd. To turn the beam out of a level position, — rs 
a power must jc —— aeeee to fo which draws it into a a level 
ce = res of motion, the beam would turn with 
iene Gifficulty if botli centres were in one. point, the beam would 
stand in ‘any position, and turn with the utmost ease, but would not 
vibrate. rae sens pares aren onte 4 ee 
one end or the other of the beam would preponderate, as chance OF _ 
a eet 
