This section is from the book "A Treatise On Flour, Yeast, Fermentation And Baking Together With RecipesFor Bread And Cakes", by Julius Emil Wihlfahrt. Also available from Amazon: A treatise on flour, yeast, fermentation and baking, together with recipes for bread and cakes.

To transform Fahrenheit into Reamur, deduct from degrees of Fahrenheit 32, the remaining sum multiply by 4, and divide the product by 9. The quotient received constitutes the corresponding degrees in Reamur.

To transform Fahrenheit into Celsius, deduct from degrees of Fahrenheit 32, the remaining sum multiply by 5 and divide this product by 9. The quotient received constitutes the corresponding degrees in Celsius.

To transform Celsius into Fahrenheit, multiply the degrees of Celsius by 9, divide the product by 5 and to the quotient add 32. The result received constitutes the corresponding degrees in Fahrenheit.

To transform Celsius into Reamur multiply the degrees of Celsius by 4 and divide the product by 5. The quotient received gives the corresponding degrees in Reamur.

To transform Reamur into Fahrenheit, multiply the degrees of Reamur by 9, divide the product by 4 and add to the quotient 32. The result constitutes the corresponding degrees of Fahrenheit.

To transform Reamur into Celsius, divide the degrees of Reamur by 4, to the quotient add the original degrees of Reamur and the result is the corresponding degrees of Celsius.

Continue to: