Crookes/ 19 Sept 58
I am will If y like t mentn the discy of the new art of Phglyphc Engravg in the next no of yr Journal You are welc to do so; but pray I shd wish y. to speak very very modertely of its respecting its merits, so the Public are genly <illeg> pleasd to find that an in order that the Public may not be disappd whn they come to see Specns on the <illeg> It also produces a good effect both in scientfc invns & in othr matters, when the performce exceeds the promise. –
Your are quite welcome to mentn that a specimen of the art will appear in your journal in the course of a few weeks