[ Arthur Hill Hassall, public health pioneer. ] Secretarial Letter, Signed 'Arthur. H. Hassall', to T. H. Huxley, presenting a copy of his 'The Narrative of a Busy Life', with the book and a manuscript copy of a letter from him to Lord Rayleigh.

Arthur Hill Hassall (1817-1894), physician and microscopist, pioneer in the field of public health [ Thomas Henry Huxley (1825-1895), biologist; Lord Rayleigh and the Royal Society ]
Publication details: 
Letter from Hassall to Huxley: 3 Alpenstrasse, Lucerne (on cancelled letterhead of Corso dell'Imperatrice, San Remo), 23 September 1893. Copy Letter from Hassall to Rayleigh, same details. Book: Longmans, Green, & Co., London and New York, 1893.

All three items in good condition, lightly aged, with the book in worn and spotted binding. ONE: Letter from Hassall to 'Professor Huxley', in the hand of 'an amanuensis' and signed by him. 3pp., 12mo. Tipped-in onto the half-title of Item Three below. He begins by explaining that he has 'directed Messrs. Longmans' to forward a copy of his book (which he describes as 'a brochure') to Huxley.

[Offprint.] The Wilde Lecture. V. The Mechanical Principles of Flight. By the Rt. Hon. Lord Rayleigh, F.R.S. Delivered February 13th, 1900.

Rt. Hon. Lord Rayleigh [John William Strutt (1842-1919), 3rd Baron Rayleigh, winner of the Nobel Prize for Physics] [The Manchester Literary & Philosophical Society]
Publication details: 
Manchester: 36, George Street. 26 April 1900. [Manchester Memoirs, Vol. lxiv. (1899), No. 5; Memoirs and Proceedings of The Manchester Literary & Philosophical Society 1899-1900.]

26pp., 12mo. Stitched. In remains of original printed wraps. On aged paper, in chipped wraps, with several leaves loose. An important work in the history of eronautics by one of the great experimental physicists of the nineteenth century. Excessively scarce: no copy of this offprint in the British Library or on COPAC. 'In this lecture Rayleigh discusses the method of calculating the mechanical forces on a plane presented obliquely to a current of air, so far as this can be done. At best, the calculation is very incomplete.

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