Sentence:  Twenty four Grains made one <WSD>Penny Sterling</WSD>, 20 Penny weight one Ounce, and 12 Ounces, or 5660 Grains made a pound Sterling, consisting of 20 Shillings. 
Meaning of the word marked with <WSD> tags:  A unit of weight amounting to 1/20 of a troy ounce.