and large as the true money is, and yet saved fifty per cent. to himself, which was by getting moulds made to stamp groats like old groats, which is done so well, and I did beg two of them which I keep for rarities, that there is not better in the world, and is as good, nay, better than those that commonly go, which was the only thing that they could find out to doubt them by, besides the number that the party do go to put off, and then coming to the Comptroller of the Mint, he could not, I say, find out any other thing to raise any doubt upon, but only their being so truly round or near it, though I should never have doubted the thing neither.  He was neither hanged nor burned, the cheat was thought so ingenious, and being the first time they could ever trap him in it, and so little hurt to any man in it, the money being as good as commonly goes.  Thence to the office till the evening, we sat, and then by water (taking Pembleton with us), over the water to the Halfway House, where we played at nine-pins, and there my damned jealousy took fire, he and my wife being of a side and I seeing of him take her by the hand in play, though I now believe he did [it] only in passing and sport.  Thence home and being 10 o’clock was forced to land beyond the Custom House, and so walked home and to my office, and having dispatched my great letters by the post to my father, of which I keep copies to show by me and for my future understanding, I went home to supper and bed, being late.  The most observables in the making of money which I observed to-day, is the steps of their doing it.

1.  Before they do anything they assay the bullion, which is done, if it be gold, by taking an equal weight of that and of silver, of each a small weight, which they reckon to be six ounces or half a pound troy; this they wrap up in within lead.  If it be silver, they put such a quantity of that alone and wrap it up in lead, and then putting them into little earthen cupps made of stuff like tobacco pipes, and put them into a burning hot furnace, where, after a while, the whole body is melted, and at last the lead in both is sunk into the body of the cupp, which carries away all the copper or dross with it, and left the pure gold and silver embodyed together, of that which hath both been put into the cupp together, and the silver alone in these where it was put alone in the leaden case.  And to part the silver and the gold in the first experiment, they put the mixed body into a glass of aqua-fortis, which separates them by spitting out the silver into such small parts that you cannot tell what it becomes, but turns into the very water and leaves the gold at the bottom clear of itself, with the silver wholly spit out, and yet the gold in the form that it was doubled together in when it was a mixed body of gold and silver, which is a great mystery; and after all this is done to get the silver together out of the water is as strange.  But the nature of the assay is thus:  the piece