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Document number: 4695
Date: 11 Jan 1843
Recipient: TALBOT William Henry Fox
Author: BRUNTON John Dickinson
Collection: British Library, London, Manuscripts - Fox Talbot Collection
Collection number historic: LA43-004
Last updated: 6th February 2010

Eaglesbush
heath

Jany 11 1843

Sir

I received your favour of the 9th inst <1> and must beg you to pardon me for having committed so great a practical blunder as to have asked a Patentee gratuitously to communicate the method of his patented invention <2> but I was quite ignorant of the Patent having been taken out or I should not have, in the first place, endeavoured to infringe it, which it seems I have been doing, or in the next place have made the request contained in my last, for which I sincerely beg pardon, I trust you will accept the above as my excuse

I am Sir Your obt Servt
John Dickinson Brunton


Notes:

1. Letter not located. It was a reply to Brunton's letter of 6 January 1843, freely discussing his experiments in photography and asking for advice. See Doc. No: 04689.

2. This was WHFT's patent for the calotype process, "Improvements in Obtaining Pictures or Representations of Objects," no. 8842. Brunton was probably truly sympathetic to WHFT's position, for he held patents himself, and later in life was to be involved in controversies over their infringement.

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