CHRONOMETER COMPARISONS. 

 4. INTERCOM? ARI SONS of the CHRONOMETERS used at POINT COTON. 



383 



5. ERRORS and RATES of the CHRONOMETERS used at POINT COTON. 



W. J. L. WHARTON. 



The chronometer Poole was used for recording Captain "Wharton's observa- 

 tions during the Transit of Venus. It will represent the mean of all three if 

 its correction be taken as follows, remembering that Point Coton station was 

 16 8 -98 East of Point Venus :- 



h m s 



At Internal Contact at Ingress, 3. 14. 12 'jgfast* on Point Coton Mean Time. 

 Egress, 3. 14. 12*62 fast 



G. L. T. 



* In the Report presented to Parliament, 1877, July 16, the chronometer Poole was erroneously stated to have 

 been slow on L. M. T. 



