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 many Dollers or Marks Lubs & styvers in silver they give in change for a Ducat of gold at Hamborough, Franckford, Dantzick, Riga, Nuremburg Stetin Copenhagen &c. And what sorts of Dollars they change for at that rate, or of what value or esteem those Dollers are in proportion to the French Ecu or old Rix Doller of the Empire.

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

a Cross Doller formerly 3. Guilders now 3 Gilders 20 Grosh

Banck doller 3 Gilders 23. Grosh

<15v>

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

<text in Isaac Newton’s hand begins>In the 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 within 2 or 3 sols over or under.

A Gulden consists of 16 Gout gross or 24 Marien gross. An 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 the Gulders of Brandenburg are bigger & coarser.