566 



45, CORNHILL, E.G., AND 122, BEGENT STEEET, W., LONDON. 



To convert Centigrade into Fahrenheit, multiply by 9, divide the product by 5, and add 32. 



To convert Reaumur degrees into Centigrade, multiply by 5 and divide by 4. 



To convert Reaumur degrees into Fahrenheit, multiply by 9, divide by 4, and add 32. 



THERMOMETER TABLE. 

 Comparison of Centigrade and Fahrenlmt. 



TABLE OF MEAN WINTER, MEAN SUMMER, AND ANNUAL MEAN 

 TEMPERATURE FAHRENHEIT. 



PEOFESSOK DANIELS. 



