Assertion: ounce's grain | /r/HasProperty | 1 london ounce
Facets:
Source sentences:
text: 1 London pound (16 oz) = ​ 1 1⁄ 3 tower (or troy) pounds = 10,240 tower grains = 7,200 troy grains 1 London ounce (20 dwt) = 1 tower (or troy) ounce =