Notes on German coins
<text in Isaac Newton’s hand begins>A pound weight English conteins eighttwelve ounces a Mark eight ounces an ounce twenty penny weight, a penny weight 24 grains.
Eighteen Hanover Pieces of weigh 7oz 11dwt 16gr English wch is a Mark Hanover weight. [And one such Piece weights 8dwt 10 grains. so that a Mark Hannover is lighter then a Mark English by 8dwt. 8gr.
Four of those pieces being assayed, each of them twice: three of them wanted 1dwt full & one of them 1 dwt full of being 121 Caratsounces fine. They were each of them assayed twice.
By the standard of England one pound weight Troy of fine gold is equal in value to 15lwt 72oz 1{illeg}0dwt 16 7∟32gr of fine silver.
And one Mark weight of fine gold is equal in value to 15marks 1 ounce. 13dwt 162∟88gr of fine silver.
And one Mark of fine silver is equal in value to 10 penny weight & 12∟471 grains of fine gold: supposing that the Mark conteins eight ounces, the ounce 20 penny weight & the pennny weight 24grains.
If any fine silver is sent to me from Hanover I can coin it into English money, I can coin it into English money according to the weight & Essay, & byuy gold therewith after the rate above mentioned, & deliver the gold to any person appointed to receive the same. Or else I can delivedr the new silver money to any person appointed to buy gold therewith. Is. Newton
Of the kingdomes & Churches {illeg} described by John & of his allusions to the first & second Temple & the sychronizicalng parts of his Prophecy
Source
MINT 19/2/178, National Archives, Kew, Richmond, Surrey, UKBefore 11 April 1720, c. 272 words.