INDEX. 
W page 
Wear of gold, experiments and observations on, - 43, 138 
Whidbey, Mr. Joseph. An account of the sinking of the Dutch 
frigate Ambuscade, of 32 guns, near the Great Nore; with the 
mode used in recovering her - - - 321 
Willow , Leicester, on the infusions of its bark, - _ 260 
common , on the infusions of its bark, - 2 66 
Wollaston, William Hyde, M. D. The Bakerian lecture. 
Observations on the quantity of horizontal refraction; with a 
method of measuring the dip at sea, - 1 
Z 
Zenith sector , description of one, - - - 386 
See Survey. 
Zinc , its effects on gold, - - - 57 > 93 
From the Press of 
W. BULMER & Co. 
Cleveland-Row, St. James's. 
