[printed notepaper with date inserted in manuscript:]
South Kensington Museum, London, S.W.
2 nd day of May 1876.
In your reply,
please quote this number.
of Scientific Apparatus.
Adverting to my letter of the 17th ultimo, I beg to inform you that the Department will be glad to receive, as soon as possible, the specimens of Photoglyphic Engraving <1> which, through Captain Abney, R.E. <2> you so kindly consented to contribute to the above-named Exhibition –
I am, Sir, Your obedient Servant,
P Cunliffe Owen
H. Fox Talbot, Esq. F.R.S.
2. Sir William De Wiveleslie Abney (1843–1920), Captain, chemist & educator.