Ounces, Troy, X 1.097 ounces of avoirdupois.
Ounces, avoirdupois, × 0.9115 ounces Troy.
Pounds, avoirdupois, × 0.4536 = kilograms.
Pounds, avoirdupois, × 0.8228572 = pounds Troy.
Pounds, Troy, × 0.37286 — kilograms.

Pounds, Troy, X 1.21527

=

Radius of a circle 6.283185 × circumference.

Square of the radius 3.1416 area.

Square of the circumference of a circle X 0.07958 — area.

Bale of cotton (in America): =400 pounds.
Bale of cotton (in Egypt) = 90 pounds.

Bag of Sea Island cotton = 300 pounds.

In England, wool is sold by the sack, or boll, of 22 stones, which, at 14 pounds to the stone, is 308 pounds.

A pack of wool is 17 stones and 2 pounds, which is rated as a pack load for a horse. It is 240 pounds.

Sack of flour =280 pounds.

A tod of wool is 2 stones of 14 pounds.

A wey of wool is 6 tods. Two weys, a sack.

A clove of wool is half a stone.

A method to transform Fahrenheit to Centigrade, or vice versa, is the formula:

Comparison Between the Scales of Fahrenheit, Réaumur, and the

Centigrade.

(Zero Fahrenheit corresponds with minus 17.78 Centigrade and minus 14.22 Réaumur.)