Covering letter for <ref target="/catalogue/record/MINT00159">MINT00159</ref> (Mint 19/1/228-9) Isaac Newton c. 265 words The Newton Project Oxford 2016 Newton Project, University of Oxford

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 July 1701?, c. 265 words. Treasurer

Newton's letter printed in NC, 7: 421-2.

On reverse: holograph notes on the value and weight of gold guineas and silver shillings, with several related calculations.

 MINT 19/1/236, National Archives, Kew, Richmond, Surrey, UK UKSurreyKew, RichmondNational Archives MINT 19/1/236 July 1701? England English Holograph Unknown Hand Mint Pyx Trials and Analyses of British Coinage Correspondence Catalogue information compiled by Rob Iliffe, Peter Spargo & John Young Catalogue exported to teiHeader by Michael Hawkins Transcribed by Will Scott Will Scott finished transcription

May it please yoryour LordpLordship

I herewith send yor LordpLordship a Paper by which of the steps by wchwhich the Triall of the Pix proceeds, together with an Extract of so much of the Indenture of the Mint as relates to this Triall. And in anything in wchwhich I can serve yoRyour LordpLordship I should be glad to receive yoRyour LordpsLordships would please to commands, being

My Lord

YorYour LordpsLordships most humble & most obedient servant

Is. Newton

236

1lwt of ☉ money = 4412 Guineas =47.16.9 = 11 oz fine ☉ 1lwt of ☾ money = 3li 2s = 11 oz 2dwt fine ☾ = 11.1oz fine ☾

If aA pound weight Troy of standard Gold is cut into 4412 Guineas wchwhich at 21s 6d the Guineas amount unto 47li 16s 9d. This is the value of 11 ounces, of fine Gold. Therefore a pound weight of fine gold is worth 52li. 3s. 8811 A pound weight Troy of standard silver is cut into 62 shillings. This is the value of 11oz 2dwt of fine silver. Therefaore a pound wtweight of fine silver is worth 3.7.01237 And 15Lwt of fine silver is worth 50.5.43237. And a pound weight of fine ☉ is worth more then 15lwt of fine silver by 1li.18s.4d.811-3237 A pound weight (Troy) of standard silver is cut into 62 shillings. This is value of 11oz 2dwt of fine silver. Therefore the value of 11oz of fine ☾ is worth. 3. 1. 51137. And 15 × 11 oz is worth 46.1.71737. And 11oz ☉ = 4412 Guineas is worth more by 1.15.112