Preliminary enquiries and calculations relating to various foreign currencies and exchange rates

<15r>

<text in Isaac Newton’s hand begins>How much silver or how Doll man{illeg}ny {sic} or a Rix Doll Dollers or Marks Lubs & styvers in silver they give in change for a Ducat of gold at Hamborough, Frankckford, Dantzick, Riga, Nuremburg or Stetin Copenhagen &c. {illeg}And what sorts of Dollars they change for at that rate, or of what value or {illeg}est{illeg}eem those Dollers are in proportion to {illeg} the French Ecu or old Rix Doller of the Empire.

<text in Unknown Hand begins>Dantzich curr money is 18 Gr{illeg}osh pieces {illeg} Grosh pieces 30 {illeg}Grush to a Guilder a ducat is sold commonly for 6 G. $\frac{\mathrm{1}}{\mathrm{2}}$ or 6 G. 25. Grosh & new is 7 G. 12 Grosh

a Cross Doller formerly 3. Guild. now 3 G. 20 Grosh

Banck doller 3 G. 23. Grosh

<15v>

at Riga a Gold ducat is commonly of an {illeg} Eqqual value to two specie dollars. & some times 2 cross dollars.

<text in Isaac Newton’s hand begins>In ye Duke of Hammovers country a Hungary Ducat is worth 3$\frac{\mathrm{3}}{\mathrm{4}}$ Guldens & sometimes 1 or 2 sols more.

A Lewidor is there worth seven Guldens or wthin 2 or 3 sols over or under.

A Gulden consists of 16 Gout gross or 24 Marien gross. &An{illeg} old Rix doller is worth about 46 Marien gross. Hannover Luneburgh Zell Sax Wo{illeg}em Bottle Gotha & Hess cassel & Brandenburg have the same Guilders by agreement & proportion of Gold but ye Gulders of Brandenburg are bigger & coarser.