ENGINE

All five items rolled up. ONE: Cloth-backed map. Title in large coloured fancy letters at head: 'PLAN OF TREVAUNANCE COOMBE'. Dimensions: 99 x 353 cm (3 1/4 feet x 11 1/2 feet). 'Scale | 4 FATHOMS TO 1 INCH'. Oval stamp of Henderson & Son, Civil Engineers, Truro, in bottom right-hand corner, with manuscript date 31 March 1885. Drawn in black ink, and coloured in blue, grey, brown and red. In fair condition, aged and worn. Striking and attractive, with neat lettering, fancy compass (with projected line marked 'MAGNETIC | 1881'), and ruled border with decorative corners.

Original map, drawn in black ink, with a few lines in red. Rolled up. 'G, W. R. | DIDCOT | PROPOSED ALTERATIONS | Scale 40 Feet to an Inch'. Dimensions: 101 x 385 cm. With a few annotations in light pencil. Signed by G. N. Tyrrell (Superintendent of the Line) and another individual ('). Oval ink stamp of the Great Western Railway, Engineer's Office, Paddington, in top right-hand corner, numbered 7025, with printed label of the same on reverse. Title in manuscript on reverse: 'DIDCOT PROPOSED ALTERATIONS'. Showing a complex arrangement of railway lines at a junction.

Original map in black ink, coloured in blue, grey, brown, cream, yellow, red. Titled: 'COOKHAM STATION | Scale, 40 Feet to an Inch | July 1867'. With stamp in red ink: 'TO BE RETURNED TO | ENGINEER'S PLAN OFFICE | G.W.R. PADDINGTON'. In ink on reverse: 'COOKHAM STATION'. Aged and worn.

Drawn map in black ink, coloured in blue and pink. Titled: 'G. W. R. | PANGBOURNE STATION | SCALE 40 FEET TO AN INCH'. 46 x 111 cm. Oval ink stamp in top right-hand corner of the Great Eastern Railway, Engineer's Office, Paddington, numbered 6241. Aged and grubby, with wear to extremities. In ink on reverse: '11 PANGBOURNE STATION'. 66 x 93 cm. Plan of station on line from Wycombe to London. Aged and grubby, with wear to extremities. 6cm closed tear at one side. Annotated in light pencil. Annotations include: 'Newton | Mr.

Timothy Hackworth is, as his entry in the Oxford DNB states, 'one of the great pioneers of the steam locomotive'. It was the view of the eminent railway engineer D. K. Clark, writing in 1855, that no single individual had, up to the year 1830, done so much for the improvement of the locomotive. Robert Young's biography of his father-in-law (he married Hackworth's youngest daughter Jane) is a solid and well researched book of permanent interest, intelligently-written and drawing on personal information.

The two items are uniform in layout, on folio bifoliums, with the text covering the whole of the recto of the first leaf, and the details printed lengthwise on the reverse of the second. Both in good condition, and folded into the customary packets. An early example of nimbyism, rather rich coming from a banker. The petition begins: 'In the House of Lords.

8vo: 13 pp. Stitched. In original cream printed wraps. On aged, spotted paper, in heavily worn wraps. Facsimile of handwriting at head of front wrap reads 'With the Author's Compliments'. Two diagrams in text.

8vo bifolium, 1 p. 9 lines of text. Good, on lightly aged and creased paper. Addressed, with two circular postmarks in black ink, on verso of second leaf. On the letterhead Sorel's achievements are given as '1837 Prix de Mécanique, Monthyon, A l'Académie des Sciences, Médaille d'Or' and '1839, Médaille d'Or, A l'Exposition Nationale des Produits de l'Industrie'. Announcing that 'il sera fait une expérience du nouveau Système de Locomotion de Mr Pecqueur, Mardi 2 Juillet de Midi à 3 h. rue Neuve Papincourt No. 11.

4to bifolium: 2 pp, with address on otherwise-blank second leaf. Very good on lightly aged paper. Slight wear to extremities. A significant document, casting light on the relative states of engineering in early nineteenth-century France and England, and the role of the scientist in France at that time.

Landscape sketchbook of twelve leaves. Dimensions of each leaf roughly 26.5 x 38 cm. Unbound and stitched. In original brown patterned wraps. Good, on lightly discoloured and spotted drawing paper, with some wear to extremities, heavy wear at head of spine, and in heavily-worn wraps. The first leaf, otherwise blank, has had a small square taken out of it, and there are stubs indicating the removal of a couple of leaves.

Scottish engineer (died 1967), noted for his innovative design of a gas turbine engine. One page, 12mo. Very good. Pinholes to one corner and bearing a date stamp. He is honoured to be nominated as a fellow of the Society, and encloses the proposal and a cheque (neither present), thanking the Council 'for the kind invitation extended to me'. Signed 'H. Sammons'.

Scottish mathematical physicist and philosopher of science (1896-1972), Director of Statistical Enquiries in the Ministry of Supplies, and chairman and managing director of the company which developed the Whittle jet engine. 3 pages, 8vo. Dusty and creased. Page 3 carries a reproduction of a pencil portrait of Goethe, beneath which is a quotation from him in German.