COMPARISON BETWEEN FAHRENHEIT AND CENTIGRADE THERMOMETERS.
Thomas E. (Thomas Edward) Maw translation
C. F. C. F. C. F. C. F. C. F.
-25-13 5 41 25 77 65149105221
-20-4 8 46·4 30 86 70158110230
-17 1·4 10 50 35 95 75167115239
-15 5 12 53·6 40104 80176120248
-10 14 15 59 45113 85185125257
-5 23 17 62·6 50122 90194130266
0 32 18 64·4 55131 95203135275
1 33·8 20 68 60140100212140284
To Convert:—
Degrees C. to Degrees F., multiply by 9, divide by 5, then add 32. Degrees F. to Degrees C., first subtract 32, then multiply by 5 and divide by 9.