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If a ℔ Troy of Gold be cut into 4412 guineas, then the weight of each guinea will be 1293989 grains, or 1294381000.

If 20 grains remedy be allowed ꝑ ℔, aguinea may weigh from 1297989 grains or 129887610000 for the heaviest, to 1288889 for the Lightest.

4412 guineas each weighing 130 grains, will weigh exactly 25 grains above a pound Troy:

And 4412 guineas each weighing 129 grains will be 1912 grains lighter than a ℔ Troy. So that a guinea should alway weigh betwixt 129 and 130 grains.

If a ℔ Troy of Gold be cut into 4412 guineas, and each gain be valued at £1:1. then 1oz. 1.dwt 1gr. }  of Gold is worth  { 3£:17:1012 0:3:102940 0:0:1101105

Hence in practise, ℔ odd grains may be always valued at 2d; the error in adwt amounting only to 1d14. but in an oz. it will be 2:1d12.

According to the Warrant for Coining Copper for Ireland, an Irish halp{illeg}|enny| should \weigh/ 41213 drams; and the remedy ꝑ ℔ Averdupois (being 130) is 11115 half-penny.

Average of the lightness ꝑ ℔ upon ℔ whole Coinage in 1736 is 9955810000 grains; And this fraction is a profit to the bank of 14 oz. 1dwt & 18 grains of Gold = £54: 18: 4

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a Paper by Mr Cartlitch concerning the standard

Mint Paper In Conduitts Hand

© 2024 The Newton Project

Professor Rob Iliffe
Director, AHRC Newton Papers Project

Scott Mandelbrote,
Fellow & Perne librarian, Peterhouse, Cambridge

Faculty of History, George Street, Oxford, OX1 2RL - newtonproject@history.ox.ac.uk

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