57G EEPORTS OF AMERICAN OBSERVATORIES. 



(d) Spectroscopes : Browning, London, 2 prism. 



(Ji) Chronometers : 1 Sidereal ; maker, Negus. 



(i) miscellaneous: Our observatory building will be completed tliis 

 fall. No systematic work has been done. Our building is small, aud its 

 equipment is for instruction rather than investigation. I expect, how- 

 ever, to have a larger and better outfit in the course of this school year. 

 As my time id largely taken up with the work of instruction in physics 

 and in chemistry as well as in astronomy, I caunot expect at present to 

 do much. I hope within the year to get a much better transit instrument. 

 My equatorial is quite good — the one with which Professor Watson made 

 his observations on the supposed planet Vulcan, 



