496 



TRANSIT OF VENUS, 1874. NEW ZEALAND. BURNHAM. 



For the measures made with the double-image micrometer- 



December 8. Measures of diameter 



on model. No sunlight. 



Time 2i h . 3O m . sidereal. 



December 10. Measures cf diameter 



on model. No sunlight. 



Time o h . 30"". sidereal. 



543 

 555 

 536 



549 

 533 



533 



6-542 



1 3-392 

 387 

 3g5 

 402 

 401 

 405 

 409 



13-399 



= 9 r '97 



= reading at coincidence of images. 



6-542 



13-355 



6 r -5 4 2 + i3 r -355 



= 9 r- 948 = reading at coincidence of images. 



