"Dr Newton's Oath as Warden of the Mint"
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You shall swear that you will not reveal or discover to any person or persons whatsoever the new Inventeion of Rounding the money & making the edges of them with letters or grainings or either of them directly or indirectly. So help you God.
Isaac Newton
Ste: Fox
Cha. Montague
I Smith
<232v><text in Clerical Hand begins>Dr Newton's Oath as Warden of ye Mint
Source
T 1/37.53, National Archives, Kew, Richmond, Surrey, UK2 May 1696, c. 68 words.