NO. 8.] 



PENDULUM OBSERVATIONS. 



17 



Christiania. The Observatory. 



June llth, 1893. 



Comparison of Clocks. 



Michelet 10^ a. m. Error 40'48 



. 10* p. m. , 41-07 logl s M,chelet 



log 1* Hawelk = 0'0026847 



log 1 Hawelk = 0'0026918 



