CHARTS FOR TORSION BALANCE READINGS* 
By M. M. Stotnick 
Gropuysics DEPARTMENT, HuMBLE O1L AND REFINING COMPANY 
1932) 
b] 
(Received February 1 
HE calculations necessary to determine the values of the gradient and 
curvature quantities from the readings taken at a torsion balance station 
1 
involve either slide-rule or logarithmic manipulations which are somewhat 
120° SETTINGS 
CHART B2: Uy, AND Gy 
oy 
Sra \A 


C0 
VAS 
CN GPS _ | Oe OK OOK 

RO 
(ass 
XZ 7 

QT AIX RH KIX & 

PM 2s_ AALS pS 





a ox ms 
cae x 
eS { xX 
SZ MSY 

. 
es 



Xx? 
Cn TA_ fA_ Al x 
KP 
y, 

. WZ 




ee 

Lo 

YP fn AS | 





es 



v 4 ts 

yas x 
YY WW 









» 
q 
XD 
bap 







Fig. 1. 
tedious, if not entirely cumbersome. It is quite a simple matter to show that 
the result obtained by writing the equations involved in linear forms of the 
type shown below is well within the accuracy of the instrument. 
* Published by permission of Humble Oil and Refining Company. 
173 
29 
