530 HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 43, PICCADILLY, W. 



10649 LE CHATELIER (Louis) CHEMINS de FER d'ALLEMAGNE,: Description Statistique, 



Systeme d'Execution, Trace, Voie de Fer, Stations, Materiel, Frais d'Etablissement, Exploitation, 



Produit de 1' Exploitation ; with mip and folding table, 8vo. sewn, with auto, of George Rennie, 



F.R.S., 8s Qd 1845 



The lines open in Germany three years before the Year of Revolution already stretched from Mannheim to Bale, 



Stettin, Berlin, and Hanover to Dresden, and Prague to Wiener-N T eustadt, besides many shorter routes. M. Le Chatelier 



was the inventor in 1865 of the ' Counter-Pressure Brake ' for giving steam to the cylinder against the train, which 



was the chief attempt to improve on the weak hand-brake before the Continuous Automatic Brake operated by a 



vacuum or compressed air, the latter of which U now universal outside England and India. 



10350 LEOKY (Capt. Squire Tnornton Stratford, F.R.A.S.) The DANGER ANGLE and OFF-SHORE 

 DISTANCE TABLES; 13th Edition, enlarged, with Table of Natural Sines, Tangents, etc., 12mo. cl., 

 3s (p. 4s Qd nett) 1904 



10551 ' WRINKLES ' in PRACTICAL NAVIGATION, with 76 plates and woodcuts, roy. 8vo. cl. 



(cover slightly stained), 4s (p. 15s) 



10652 FOURTEENTH EDITION, enlarged, with fine portrait, and 130 plates and other illus- 

 trations, thick roy. 8vo. cl., 14s (1. 5s nett) 1904 



10353 LE CLERC [Latine CLERICUS] (Jean) PHYSICA, sive de Rebus Corporeis Libri V, in qui bus, 



prremissis potissimis Corporearum Naturarum Phnenomenis et Proprietatibus, Veterum et Recent- 



iorum de eorum Causis celeberrimre Conjecture traduntur ; Editio VI. auctioret accuratior ; with 



folding plates, 12mo. contemporary English calf, 8s Qd Cantabrigice, 1705 



Bonk III contains ' de Ae're et Meteoris ' (pp. 54), including an engraved chart of winds, one of the earliest of its kind. 



10554 LE COINTE (Ignace Louis Alfred, s.j ; SOLUTIONS DEVELOPPEES de 300 PROBLEMES qni 

 ont ete proposes dans les COMPOSITIONS MATHEMATIQUES pour 1' Admission au Grade de Bachelier 

 es Sciences ; with diagrams, 8vo. hf. cl. (o. p.), 5s 



10555 LECONTE (Felix) ETUDE EXPERIMENTALE sur un MOUVEMENT CURIEUX des OVOIDES et 

 des ELLIPSOIDES, with plate, 8vo. (pp. 10), sewn,, Is Qd Geneue, 1890 



10656 LECOQ, (Henri, Clermont-Ferrand) Des GLACIERS et des CLIMATS, ou des Causes Atnio- 

 spheriques en Geologic ; Recherches sur les Forces Diluviennes, inde'pendantes de la Chaleur 

 Centrale, sur les Phenomenes Glaciaire et Erratique, 8vo. (pp. 566), hf. calf gilt (nice copy), with 

 auto, of Sir M. Holzmann, 5s Qd 1847 



10657 LECORNTT (L.) Sur les SURFACES possedant les m6mes PLANS de SYMETRIE que 1'un des 

 POLYEDRES REGULIERS ; with 8 diagrams, 4to. (pp. 80), sewn, 2s [Stockholm, 1887] 



10658 LEOOUNT (Lieut. Peter, R.N., F.R.A.S. ; London and Birmingham Ry.) PRACTICAL TREATISE 

 on RAILWAYS, explaining their Construction and Management, being the Article ' Railways' in 

 the 7th Edition ot the Encyclopaedia Britannica, with Additional Details, with Infolding plates, 

 and numerous woodcuts, post 8vo. cl., uncut (SCARCE), 1. Is Edin., 1839 



Termed by contemporary reviewers 'the best and most complete treatise on the subject,' and 'by far the most valuable 

 work on the construction and management of railways extant.' It includes a long list of the ) ; nes already authorised, 

 with their capital and much information on the gauge question and other matters. The illustrations include one of a 

 very workmanlike locomotive, and other rolling stock, with the third-class ' carriage ' of primitive days a low-sided open 

 goods truck with side doors, but no seats. 



10659 LE CRECTLX (Fra^ois Michel) RECHERCHES sur la FORMATION et I'EXISTENCE des 

 RUISSEAUX, RIVIERES et TORRENS qui circulent sur le Globe terrestre ; avec des Observations 

 sur les principaux Fleuves qui traversent la France, sur les Causes des Changements qu'ils 

 eprouvent dans leur Cours, les Moyens de les contenir dans leur Lit, et d'en tirer A vantage pour 

 la Navigation ; with 8 folding plates, 4to. russia extra, g. e. (fine copy), 10s Qd 1804 



10660 LECTURES on GOLD; for the Instruction of EMIGRANTS about to proceed to AUSTRALIA, by 

 J. BEETE JUKES, EDWARD FORBES, SIR LYON [LORD] PLAYFAIR, SIR W. W. SMYTH, JOHN 

 PERCY, and ROBERT HUNT, FF.R.S., woodcuts, cr. 8vo. boards (scarce), 5s 1852 



An excellent guide to the geology and metallurgy of gold, written at the outbreak of the Australian gold-fever. 



10661 LE DANTEC (Felix) Les Lois NATURELLES : Reflexions d'un Biologiste sur les Sciences ; 

 with diagrams, 8vo. cl., 3s (p. F. 6 nett) 1904 



10862 LEDEBTJR (C. H. A., Bergakademie, Freiherg) HANDBUCH der EISENHUTTENKUNDE ; with 

 305 illustrations (including many folding plates) 8vo. (pp. 1026), hf. calf neat, 12s (p. M. 40 sewn 



Leipzig, 1884 



' This is an excellent reference book for those who read German, and contains a very complete account of the metal- 

 lurgy of both iron and steel, and of their properties. There are also classified lists of the literature on each of the 

 branches of the subject.' B. Stoiighton. 



10663 LEDGER (Edmund, pr., F.R.A.S.) The SUN : its PLANETS and their SATELLITES : Gresham 

 Lectures on the Solar System, with chart of Mars, 8 woodburitype plates, and 94 woodcuts, large 

 cr. 8vo. cl. (o. p.), 5s (p. 10s Qd) 1882 



10364 LEDOTJX (Charles) DESCRIPTION RAISONNEE de quelques CHEMINS de FERaVcfiE ETROITE; 

 with Atlas, containing 10 folding plates (in pocket), 8vo. cl. (o. p.), 5s (p. F. 12.50) 1874 



Including lines of extreme narrow gauge of less than one metre. 



10665 ICE-MAKING MACHINES, translated, revised, and transformed to English Units by J. E. 



DENTON, D. S. JACOBUS, and A. RIESENBERGER, illustrated, 12mo. boards, Is 6d New York, 1893 



10666 LEDUC (Stephane) THEORIE PHYSICO-CHIMIQUE de la VIE, et GENERATIONS SPONTANEES ; 

 with 57 full -page and other illustrations, 8vo. sewn, 2s 6d (p. F. 5 nett) 1910 



10667 LEE (J. Bridges) PHOTOGRAPHIC SURVEYING, with folding plate, 8vo. (pp. 24), sewn, IsQd 1899 



10668 LEE (John Edward, F.G.S., F.S.A. ; author of ' Isca Silurnm') NOTE-BOOK of an AMATEUR 

 GEOLOGIST, with 210 plates, and 17 woodcuts. 8vo. cl. (o. p.), 10s 6^ (p. 1. Is) 1881 



10669 LEE (N. J. van der) Der EINFLUSS des DRUCKES aut den KRITISCHEN LOSUNGSPUNKT, 8vo. 

 (pp. 9), sewn, Is 6d Leipzig, 1900 



10670 LEES (George) ELEMENTS of ARITHMETIC, ALGEBRA, and GEOMETRY, for Students in the 

 Edinburgh School of Arts, diagrams, Svo. boards, 2s Qd Edin., 1826 



