MACHINES

409 + [6]pp., 8vo. In blue cloth, with ornate design printed in silver on front cover, around a laid down photographic portrait of 'The late Alderman J. Rhodes, J.P. Founder of the Firm in 1824.' Spine reads: '1824. J. RHODES & SONS, LTD., 1901.' Text embossed on back cover. In fair condition, on aged paper, in lightly-worn and aged binding. Two leaves of addenda tipped-in, the first, with text printed in red, headed 'Notice. - American Competition!'; the second carrying text and illustration of the '"Rhodes" "Excelsior" Treadle Guillotine Shear'.

16pp., 16mo. Stapled. In fair condition, on aged paper, with slight staining to last leaf. Printed in red on the title-page: 'NOTE. - After perusal, please file this Pamphlet for reference, or to lend to others interested in Patents.' An introductory note by the firm sets out the aims of the work: 'To Patentees and Manufacturers. | This Pamphlet, describing the Law and Practice relating to Patents, is designed as a useful guide to Patentees.

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.

4to, 4 pp. Bifolium. 59 lines of text. Clear and complete. On lightly-aged paper, with 4.5 cm closed tears to the outer edge of central horizontal fold to both leaves. A large part of the letter would appear to concern washing machines, including a reference to a new one on the American market, called the 'Waterflex'. A few lines in English at end: 'Many thanks for your Birthday-carte. Sorry year it arrived 1 month to [sic] late.' Sends love to 'Dorothy', and reference in text to 'Kajitan': 'Das wird Dir bestimmt Freude machen. Das ist alles viel besser als die Politik.

Historian of aviation (1909-81) at the Victoria & Albert Museum, London. Eight items, various formats. Very good. LETTER ONE (two pages, octavo, 14 January 1949, on V & A letterhead): 'As a very new fellow of the Society I hesitate to burden you with reading the enclosed [an article on 'Father Gusmao: the first practical pioneer in aeronautics', not present], but I thought there might be some chance of its appearing in the Journal. It is too historical for the Roy. Aeronautical Society's Journal and too aeronautical for the others, so I am stuck!