528 



METEOROLOGICAL OBSERVATIONS. 



U. S. SHIP VINCENNES. 

 NISQUALLY, PUGET SOUND. 



OBSERVATORY. 



INSTRUMENTS USED ON SHORE. 



Barometer, standard. 



Attached thermometer. 



Thermometer, with bulb covered with lampblack. 



" " black wool. 



" " white wool. 



uncovered. 

 Temperature of water, and thermometer at mast-head, observed on board U. S. Ship Vincennes. 



