STRUTT

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.

3pp., 12mo. Bifolium. In good condition, on aged paper. In response to Scott's application, he explains that, 'being much connected with two Counties (Nottinghamshire & Derbyshire), I am anxious to give my assistance to the leading charities & other public objects in both, & also to contribute to local objects in places with which I am specially connected by residence, property, or otherwise'. Unfortunately he finds it impossible 'to comply with the numerous applications which I receive for contributions to Churches, Schools, &c., in places with which I have no such connection'.

2pp., 4to. Very good, on lightly-aged paper. In original envelope addressed to Mrs Strutt at the Galle Face Hotel, Columbo, Ceylon. He lists four locations in Ceylon, and six in South India, with brief comments including:'15 sq. miles of ruins - the oldest tree in the world'; 'lovely temple, Adams Houses, Flaxman monuments'. The regarding the last location he writes: 'Madras itself has charming classical buildings, & in the Old Durbar Hall is to be

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.