HENRY SOTHERAN & CO., liO, STRAND, W.C, and 37, PICCADILLY, W. lt>9 



2580 LEWIS (Rt. Hon. Sir George Cornewall) Historical Survey of the Astronomy of the 



Ancients, thick 8vo. cL, uncut (scarce), 15* 1862 



' Applying a sceptical analysis to the ambitious Egyptology of Bunsen. '—E/tcy. Brit. 



25S1 LEWIS (Major J. F., r.e.) Permanent Fortification for English Engineers, 43 folding 

 plates, thick 8vo. hf. hounds 5s (p. 10* Qd nett) Chatham, 1890 



2582 LEWKOWITSOH (Julius) Chemical Analysis of Oils, Fats, Waxes, and of their 

 Commercial Products, founded on Benedikt's 2nd Ed. of • Analyse der Fette ', 2nd Ed., enlarged, 

 illustrated, thick 8vo. cl , I2s 6d (p. £1. 5* nett) 1898 



2583 LEYBOURN (Thomas, li. M. Coll., Sandhurst) The Mathematical Questions, proposed in 

 the Ladies' Diary, and their Original Answers, with some New Solutions, from 1704 to 1816, 

 diagrams, 4 vols. 8vo. boards, uncut, with bookplate of F.-M. William 3rd Earl of Harcourt, 

 10* 1817 



2584 Another Copy, 4 v., with the New Series, Vols. 1 and 2 (of 3), with plates and diagrams 



—6 vols. 8vo. hf. calf gilt, uncut, £1. \s 1817-06-9 



2585 LEYBOURN (William) Arithmetick : Vulgar, Decimal, Instrumental, Algebraical 

 . . . whereunto is added the Construction and Use of several Tables of Interest and Annuities, 

 Weights and Measures, both of our own and other Countries, with fine portrait aet. 30 by R. 

 Gay woody 12ino. large and sound copy in contemporary sheep (RARE), £1. 5* 



R. and W. Leybourn, 1660 

 Thb third kuition and very rare, being unknown to the author's biographer in D. N. B., where the Ist and 2nd 

 editions only are mentioned, and to Prof, de Morgan, who in describing the 4th ed. states ' I have not met with any 

 earlier edition '. 



It is also the first edition to have the fourth part. 



2536 Seventh Edition, carefully corrected ; and very much enlarged by the Author, with 



portrait aet. 64 by van der Gucht, plate, and diagrams, large 12mo. old calf, newly rebacked {a few 

 II. wormed), 10s ^d J. Matthews, 1700 



2587 The Art of Dialling, performed Geometrically, by Scale and Compasses : Arith- 

 metically, by the Canons of Sines and Tangents : Instrumentally, by a Trigonal Instrument, 

 accomodated with Lines for that Purpose : the Geometrical Part whereof is performed by Pro- 

 jecting of the Sphere in Piano, upon the Plain itself, whereby not only the Making, but the 

 Keason also of Dials is discovered, first edition, with seated portrait {different from the two above), 

 2)late, and diagrams, sm. 4to. large and sound copy in contemporary sheep, newly rebacked (very 

 rare), £2. 5* B. Tooke and t. Sawbridge, 1669 



This edition is excessively rare, that of 1687 being given by Hutton as the first, and was unknown to the author's 

 biographer in D. N. B. 



2588 The Comfleat Surveyor : containing the whole Art of Surveying of Land, by the 



Plain Table, Theodolite, Circumferentor, and Peractor: after a more easie, exact and 

 compendious manner, then hath been hitherto published by any . . . with the taking of all 

 manner of Heights and Distances . . . also, the manner how to know whether Water may be 

 conveyed from a Spring head to any appointed place or not, etc. etc., with numerous diagrams, 

 folio, hf. bound (last I. missing, and title slightly soiled), £1. 5* R. and W. Leybourn, 1653 



Avery rare KoiTioy, unknown to Watt. It was originally published in 1»550 as ' Planometria ' by ' Oliver Wallinby '. 



2589 Fourth Edition, corrected and much enlarged, with portrait aet. 48 by R. White {fine 



impression), numerous folding jjlates, and diagrams, folio, sound and tall copy in old calf {binding 

 damaged) ; RARE, £1. \s G. Sawbridge, 1679 



Thti last e<lition published during the author's lifetime. 



There is an old auto. ' J. Hill ' on title, probably of ' Sir ' John Hill, quack scientist (v. .Vo. 1922). 



2590 Fifth Edition, with Appendix on Practical Observations in Land Surveying, by 



Samuel Cunn, with the fine portrait by White, and numerous plates, folio, old panelled calf {fine 

 copy), with bookplate of Philip 2nd Earl Stanhope, F.R.S., 17s Hd 1722 



•J.)91 Another Copy, sound copy in old calf {joints cracked), 12s Qd 



2392 CURSUS Mathematicus : Mathematical Sciences, comprehending Arithmetick, Geometry, 



Cosmography, Astronomy, Trigonometry; with Descriptions of the Instruments, fnc portrait of 

 the author cet. 61 6y R. White {brilliant impression), and numerous folding plates, thick folio, 

 sound copy in contemporary calf, with Lord Stanhope's bookplate, 18* Qd 1690 



Including besides the above-mentioned subjects treatises on Dialling and Navigation, Astronomical Tables, and Table of 

 Logarithms. 



'J593 — ; — Mathematical Institutions, wherein the Doctrine of Plain and Spherical Triangles is 

 succinctly handled, geometrically demonstrated, etc. etc., with numerous folding plates, cr. 4to. 

 fine copy in old panelled calf {joints cracked), with Lord Stanhope's bookplate, 8* Qd 1704 



2594 Panarithmologia: or the Trader's Sure Guide, containing exact and useful Tables 



ready cast up, adapted to the Use of Merchants, etc. etc. ; shewing the Interest of Money, and 

 Discount on prompt Payment; fourth Eiition, 16m 3. old sheep {fine copy)', RARE, with Lord 

 Stanhope's bookplate, £1. 1* 1727 



• The most enduring of his works ' [D. N. JJ.], and the Earliest Ready Reckoner in English. 



2595 Panorganon : or a UNIVERSAL lNSTRU.\lfc:XT performing all such Conclusions Geometrical 



and Astronomical as are usually wrought by the Globes, Spheres, Sectors, Quadrants, Plani- 

 spheres, etc., with seated portrait, and numerous diagrams, sm. 4to. old calf {slightly browned, 

 otherwise a fine copy) ; rare, £1. 5* W. Birch, 1672 



Containing also ' Problemes in Dialling'. 



2598 A Platform for Purchasers, a Guide for Builders, a Mate for Measurers, with 



engraved arms of London, and 3 plates {one defective), 12mo. old calf {a few II. stained), 

 10s Qd T. Raw, 1685 

 V. No. 1717-18, ante. 



