1865.] Pendulum Base Observations for India. 



Correction for temperature. 



439 



Correction for pressure of air. 



Mean pressure in the receiver during the experiment = 1-402 inch=/3. 

 Mean temperature in the receiver during the experiment= 5i-65 = . 



32 = 19-65 log= 1-2933626 Iog/3=o'i46748o 



log -0023 =7-3617278 log = 9-5105577 



9' 6 573057 



0023 X(^ 32) = 0-045 J 95 log= 8-6550904 



log I-j-'OO23(- 



Correction for pressure =0-43 5 ^=9-6381084 



EESULT OP THE EXPERIMENT. 



Corrected vibrations : 86072-643 



+ 0-43 5 for pressure of air. 



Number of vibrations in vacuo : 86073-078 



