Holograph notes on the output and costs of various individual operations (e.g. pressing, stamping, milling) at the Mint

Author: Isaac Newton

Source: MINT 19/2/418-19, National Archives, Kew, Richmond, Surrey, UK

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- Revision History
  - 1 January 2001
    - Catalogue information compiled by Rob Iliffe, Peter Spargo & John Young
  - 29 September 2011
    - Catalogue exported to teiHeader by Michael Hawkins
  - 30 September 2016
    - Transcribed by Will Scott
  - 23 September 2016
    - Will Scott finished transcription
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<418r>

Working at the Press
A Press coins 54 pieces in a minute, or 27 pence that is a pound & an half, 90 pounds in an hour, & 450 pounds in 5 hours. The orther 4 or 5 hours may be allowed for setting or changing the dies, bringing the blanks & carrying back the new moneyes. Four Labourers & moneyer to feed the Press comes 14^s per 450^lb. or $\frac{28}{75}$ ^d or $\frac{3}{8}$ ^d per ℔	}	$\frac{3}{8}$ ^d per pound.
Working at the Marking.
The Engin marks 72 pieces or 2 pounds in a minute, & 600^℔ in 5 hours by the hands of one Moneyer at 6^s per diem. That is 25^℔ for 3^d. The other four or 5 hours may be allowed for setting right the Engin & fetching & carrying the blanks.	}	$\frac{3}{25}$ ^d or $\frac{1}{8}$
The working at a cutter.
One cutter make 60 blanks or 30 pence in a minute, 1800 pence or 100^℔ in an hour & {6}00^℔ in six hours {man} or Labourer at {8} per diem, that is 50^℔ for {8}	}	$\frac{4}{25}$
The working at a Mill.
One Mill in a day with 6 horses at {3}^s per horse & a Miller at 3^s & a horskeeper at 2^s will draw bars th{r}ice th{o}r{o}u for making 1000^li per diem in shillings or 20000 half pence or 555^lwt. that is 555^{lw^t} for 276^d.	}	$\frac{1}{2}$
The working at a Flatter
A Flatter with a Moneyer & Labourer flats {8}00^{lw^t} per diem for 8^s	}	$\frac{3}{25}$

<419v>

Ten mills working 20 hours per diem sufficed for coining 90000^li per week in shillings & therefore two mills working 10 hours per diem suffice for coining 9000 per week & 1{9}{6}00^li per diem that is 30000 pieces, & so many half pence amount to 833^lwt of copper per diem. And if the copper go but twice through the Mills the two mills will sufice for coyning 1250^℔ per diem

A Press strikes 54 times a minute & therefore by continual working coins 90^{lw^t} in an hour & 405^li in 4 $\frac{1}{2}$ hours. The rest of the day is allowed for setting right the Dyes & carrying the blanks & money to & fro. A moneyer 4 labourers come to 14^s per day that is $\frac{168}{405}$ ^d = $\frac{3}{7}$ ^d.

A Cutter makes 500^li of half penny blanks in a day. And two Mills two half penny cutters & one farthing cutter make 1250^{lw^t} of Blanks per diem, By the help of one Moneyer at 6^s two Millers at 3^s each two labourers & a horskeeper at 2^s each & 12 horses at 3^s each, in all at 54^s per diem that is at $\frac{1}{2}$ ^d per poundweight.

{A} half penny flatter a day & a farthing flatter half a day comes to 12^s per 1250^lwt or $\frac{1}{{?}}$ ^d per poundweight

A marking engin comes to 8^s per 4000^{lw^t} or $\frac{1}{4}$ ^d per poundweight, & the lettered plates to $\frac{1}{12}$ ^d per poundweight

The charge of coining copper & time it takes up {computed}.