|Description||'Dear Sir William Abney,|
In accordance with the request contained in your letter of the 11th inst. [instant] to Professor Larmor I am to-day returning Mr Dennis Taylor's paper "A Practical Method of Computing the Oblique Foci of Optical Systems" to the Author at Messrs Cooke and Sons Optical Works, York.
I am, faithfully yours,
Robt [Robert] Harrison
Asst. Sec. R.S. [Assistant Secretary, Royal Society]'.