London, 372, Oxford Street. W.

Nov 21/ 66

Sir

In reply to your favour we beg to say we will forward the Perchloride of Iron as before, in the early part of next week and at the same time the Protomuriate of Tin. of the later there is but one Kind (sample enclosed)

If a solution is required it is necessary to add a few drops of Hydrochloric Acid to render the liquid clear

We are Sir yours respectfully

<J?> Robbins & C^o

H Fox Talbot Esq