Report on a comparison of Mint avoirdupois with Mint and Exchequer troy weights

Author: Hopton Haynes

Source: MINT 19/1/134, 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
  - 20 August 2016
    - Transcribed by Will Scott
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<134r>

The 29^th. April 1724.

Honoured Sir

This morning early I went up into the Mint office of Receipt, & finding M^r. Fauquier had up the 1^lwt averdupois, I was oblige to compare the 7^lwt. averdupois with an Exact ballance of Troy weights. The scales & one sett of the Troyweights have been lately adjusted, but the other sett of weight remaining uncorrected, & there appearing about 6^gr. difference between those 2 setts of Troy weights, I therefore compard the 7^lwt Averdupois with both the foremention'd Setts of Troy weights, & also with the Troy Standard weights in the Exchequer & the Account stands thus.

lwt			lwt	oz.	dwt	gr
7.	averdupois	=	8.	6.	0.	18.	Troy at the Tower — Corrected, &c
7.	Ditto....	=	8.	6.	1.	0.	Troy at the Tower — Vncorrected.
7.	Ditto.....	=	8.	6.	2.	6.	Troy at the Exchequer — Standard

Consequently

lwt			lwt	oz	dwt	gr
1—	averdupois	=	1.	2.	11.	13.	fere at the Tower Corrected.
1.	Ditto....	=	1.	2.	11.	13. $\frac{5}{7}$ .	Troy at the Tower Vncorrected.
1.	Ditto.....	=	1.	2.	11.	18.	Troy at the Exchequer.

I am Sir

Your most obedient & most Humble Servant

H. Haynes

^[1]

^[1] Exchequer Wensday 12 Morning