WEIGHTS AND MEASURES. 



395 



COMPARISONS OF FAHRFNHEtT, CENTIGRADE 



(CELSIVS), AND REAUMUR THERMOMETER 



SCAIjJ£.'^— Continued. 



Formula for Converting Degrees Centigrade to Fahrenheit, and 

 vice versa : 



•9"' 



„. F. = (Mfinj-n c. 



\ 9 / 



For Degrees Reaumur, substitute 4 for the figure 5 in tht' 

 preceding formulas. 



