260 



METEOROLOGICAL OBSERVATIONS. 



U. S. SHIP YINCENNES. 

 SYDNEY, NEW SOUTH WALES. 



OBSERVATORY. 



INSTRUMENTS USED ON SHORE. 



Standard barometer. 



Attached thermometer. 



Thermometer, the bulb covered with Mack wool. 



" " white " 



lampblack. 



" uncovered. 

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



