PLATES IN VOL. XIII. 
a 
Plate Page 
LXXXVIII. Goring’s Improved Microscope .........0+cseeeeeeeeeees 52 
LXXXIX. Dulong and Petit on the Measure of Temperatures. ...... 176 
XC. State of the Thermometer, Barometer, and Wind, at Cork, 
July, August, and September, 1818 ..... ais wicket aes 180 
XCI. Plans and Sections of Stevenson’s Dalswinton Steam-Boat. 282 
XCII. Haiiy on the Angles of Crystals. ...........00ceeeeceeeee 415 
XCIII. State of the Thermometer, Barometer, and Wind, at Cork, 
October, November, December........ fovesis sme piaee 47? 
