VL-VIL 



COMPARISON 



OF 



THE CENTIGRADE THERMOMETEE 



WITH 



THE THERMOMETERS OF FAHRENHEIT AND OF REAUMUR, 



OR 



TABLES 



FOR CONVERTING CENTIGRADE DEGREES INTO DEGREES OF FAHRENHEIT 



AND OF REAUMUR; 



GIVING THE CORRESPONDING VALUES FOR EACH TENTH OP A DEGREE, 

 FROM +30° TO — 54° CENTIGRADE. 



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