Which preposition to use with pennyweight

in Occurrences 1%

The crows or vultures proclaim the serpents fate by their cries, on which the hunters come up and flea the animal, taking out his gall, which is employed as a sovereign remedy for several diseases, given to the quantity of a pennyweight in wine; particularly against the bite of a mad dog, for women in labour, for carbuncles, and other distempers.

of Occurrences 1%

His two sweepings had yielded perhaps a pennyweight of the precious metalenough to set him to thinking.

to Occurrences 1%

For this purpose, the best means of destroying any eggs or embryos it may contain is to water the ground with a solution of sulphuric acid, in the proportion of a pennyweight to three pints of water, and also birds that die of the disease should be deeply buried in lime.

Which preposition to use with  pennyweight