Sentence:  The "roupie", as the "French" write it, "roupee", or <WSD>"rupee</WSD>", as it is ſpelt in our authors, is a ſilver coin, ſomething broader than one of our ſhillings, and much thicker; in point of fineneſs, it is better than the "Engliſh" ſtandard; for its weight is 7 dwt. 11 gr. which, reduced to our ſtandard, would be 7 dwt. 13 mt. frac 
Meaning of the word marked with <WSD> tags:  A silver coin circulating in India between the 16th and 20th centuries, weighing one tola (formerly 170–180 troy grains; from 1833, 180 troy grains).