CONTENTS. 



COMPARISON OF THE THERMOMETRICAL SCALES. 



(The figures refer to the folio at the hottom of the page.) 



Comparison of Fahrenheit's Scale with the Centigrade and Reau- 

 mur's, full degrees, from +212° to —39°, . . .8 



Comparison of the Centigrade Scale with Reaumur's and Fahren- 

 heit's, full degrees, from + 100° to +50°, 10 



III. Comparison of Reaumur's Scale with Fahrenheit's and the Centi- 



grade, full degrees, from +80° to +40°, .... 10 



IV. Conversion of Degrees of Fahrenheit into Centigrade Degrees, for 



every tenth of a degree, from + 122° to — 76° F., . . .13 

 V. Conversion of Degrees of Fahrenheit into Degrees of Reaumur, for 



every tenth of a degree, from +122° to —38° F., . . .18 

 YI. Conversion of Centigrade Degrees into Degi-ees of Fahrenheit, for 



every tenth of a degree, from +50° to — 54°, and from +100° 



to +89° C, 25 



VII, Conversion of Centigrade Degrees into Degrees of Reaumur, for every 



tenth of a degree, from +40° to —40° C, .... 28 



VIII. Conversion of Degrees of Reaumur into Degrees of Fahrenheit, for 



every tenth of a degree, from +40° to — 40° R., . . .30 



IX. Conversion of Degrees of Reaumur into Centigrade Degrees for every 



tenth of a degree, from +40° to— 40° R., . . . .32 



X. Value of any number of Degrees of Fahrenheit, expressed by a cor- 



responding number of Centigrade Degrees, . , . . .34 

 XI. Value of any number of Degrees of Fahrenheit, expressed by a cor- 

 responding number of Degrees of Reaumur, . . . 34 

 Xll. Value of any number of Centigrade Degrees, expressed by a cor- 

 responding number of Degrees of Reaumur, . . . .34 



XIII. Value of any number of Centigrade Degrees, expressed by a cor- 



responding number of Degrees of Fahrenheit, .... 35 



XIV. Value of any number of Degrees of Reaumur, expressed by a cor- 



responding number of Centigrade Degrees, . . . . .35 

 XV. Value of any number of Degrees of Reaumur expressed by a cor- 

 responding number of Degrees of Fahrenheit, . . . .35 

 A 3 



