Catalogue Entry: MINT00174
Holograph draft of MINT00173 (Mint 19/1/109)
Contents
Contains a passage deploring the unequal coining that was normal when Newton first came to the Mint, but which has since been largely rectified.
Recommends the use of antimony as the best way of refining gold, 'But the Refiners of this city know not how to Refine gold by Antimony'.