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Document number: 4455
Date: 15 Mar 1842
Recipient: TALBOT William Henry Fox
Author: CARPMAEL William
Collection: British Library, London, Manuscripts - Fox Talbot Collection
Last updated: 1st September 2003

Dear Sir

I think the use of the Sulphuret of Gold or of Silver <illegible deletion> P would be an infringement of Mr Elkintons <1> last patent if used in the manner claimed under the fifth part of Mr Barratts <2> Specification

Your obdt St

William Carpmael

Lincolns Inn

Mar 15th 1842

W H F Talbot Esq

W. H. F. Talbot Esq
Lacock Abbey


1. Probably a misspelling ‘Elkington’, the surname of Henry and George Richards whose 1840 patent, number 8447, was entitled ‘Coating, covering, or plating certain metals’.

2. Probably Oglethorpe Wakelin Barratt whose 1838 patent, number 7742, was entitled ‘Coating and colouring (qy. covering) certain metals’.

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