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TRANSIT OF VENUS, 1874. RODRIGUEZ. POINT COTON. 



Applying corrections of a few feet at either end for the distances between 

 the survey stations and the astronomical stations, and taking the geographical 

 mile as 6,053 feet, Lieut, Hoggan's telescope was 4'. 25"'6 S. and O m . 3 S> 59 

 East of the Altazimuth Pier at Point Venus. 



Similarly my own station at Point Coton was 0'. 32"'3 S. and O m . 16 8 '98 

 East of the Altazimuth Pier, Point Venus. 



2. COMPARISONS of CHRONOMETERS with the CLOCKS at POINT VENUS. 

 The chronometers employed at Point Coton were 



Baker No. 1083 Box, 2-day. 



Poole No. 1086 Box, 2-day. 



Molyneux No. 2280 Pocket-box, 2-day. 



They were compared with the Transit and Altazimuth Clocks at Point Venus, 

 before and after transportation to Point Coton, as follows : 



3. TIMES of the bursting of ROCKETS sent up from MOUNT SIMON, 

 simultaneously observed at POINT VENUS and at POINT COTON. 



