123 HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 37, PICCADILLY, W. 



2555 LEONHARD (Carl Caesar v.) HANDBUCH der ORYKTOGNOSIE, 2. vermehrte Aufl. ; with 

 7 plates, thick 8vo. hf. bound, 3s Heidelberg, 1826 



2556 LESCALLIER (Daniel) TRAITE PRATIQUE du GREEMENT des VAISSEAUX, et autres Batimens 

 de Mer; with 3fine copperplates, 2 vols. 4to. old calf gilt (RARE), 1. Is 1791 



2557 - ANOTHER COPY, 2 vols. in 1, old calf gilt, 18s Qd 



An excellent treatise not only on rigging ships, but also on French naval architecture at a time when it excelled in some 

 respects (and enriched !) even that of England. 

 See LEVER (Darcy), post. 



255S LESLIE (Sir John) ELEMENTS of GEOMETRY, GEOMETRICAL ANALYSIS, and PLANE 

 TRIGONOMETRY, with Appendix, Notes and Illustrations, first edition, diagrams, 8vo. old calf, 

 (some II. stained), 5s Edin., 1809 



2559 - THIRD EDITION, improved and enlarged, diagrams, 8vo. cl., 4s; or, old tree-calf, 5s ib., 1817 

 'A work conspicuous for freshness and originality of treatment. It attracted considerable attention, and had an 

 article (by John Playfair) devoted to it in Edin. Rev.' D. N. B. 



2560 ELEMENTS of NATURAL PHILOSOPHY, VOL. I [all published] , including MECHANICS and 



HYDROSTATICS, first edition, with 10 folding plates, 8vo. old hf. calf (back slightly damaged), 

 Qs ib., 1823 



2561 SECOND EDITION, corrected and enlarged, with 10 folding plates, thick 8vo. boards, uncut 



(slightly soiled), 7s Qd ib., 1829 



2562 ANOTHER COPY, hf. calf gilt, with Sandhurst College bookplate, 9s 



In this work the author ' has given the first correct explanation of the rise of a liquid in a tube by considering the effect 

 of the attraction of the solid on the very thin stratum of liquid in contact with it.' /. Clerk Maxwell. 



2563 EXPERIMENTAL INQUIRY into the NATURE and PROPAGATION of HEAT, with copperplates, 



thick 8vo. old hf. calf (slightly water-stained) ; SCARCE, 12s Qd 1804 



2584 ANOTHER COPY, hf. calf gilt, with Sandhurst College bookplate, 15s Qd 



1 An important contribution to the scientific study of the subject ; the experimental methods and results were sound 

 and fruitful, and at the same time attractively simple ; and his hypotheses based thereon, though proved inadequate by 

 later discoverers, were nevertheless a substantial advance on those current at the time. It is by his discoveries in 

 relation to the radiation of heat, first announced in this volume, that the name of Leslie is most widely known. His work 

 obtained from the Royal Society the Rumford medal in 1805.' .D. N. B. 



2565 GEOMETRICAL ANALYSIS, and the GEOMETRY of CURVE LINES, being Vol. II of a Course 



of Mathematics, and designed as an Introduction to the Study of Natural Philosophy, 22 folding 

 plates, 8vo. hf. calf, or, cl., uncut, 4s Qd Edin., 1821 



2566 - The PHILOSOPHY of ARITHMETIC, exhibiting a Progressive View of the Theory and 

 Practice of Calculation, with an enlarged Table of the Products of Numbers under 100, first 

 edition, with folding table, and diagrams, 8vo. boards, uncut, 5s Qd ib., 1817 



2567 ANOTHER COPY, wanting the table, 8vo. old calf, 4s 



'2568 SECOND EDITION, improved and enlarged, with very large folding table, and diagrams, 



8vo. hf. calf, 7s ib., 1820 



' Containing an elaborate discussion of fundamental principles and much interesting information on the history of the 

 subject.' D. N. B. 



2569 - RUDIMENTS of PLANE GEOMETRY, including GEOMETRICAL ANALYSIS, and PLANE 

 TRIGONOMETRY, diagrams, 8vo. boards, 3s Qd ib., 1828 



2570 - SHORT ACCOUNT of EXPERIMENTS and INSTRUMENTS, depending on the Relations of AIR 

 to HEAT and MOISTURE, front. : DESCRIPTION of INSTRUMENTS for extending and improving 

 METEOROLOGICAL OBSERVATIONS,//^., etc. 2 vols. 8vo. in 1, old calf (SCARCE), 15s ib., 1813-20 



' In 1810 he successfully applied the absorbent powers of sulphuric acid to freeze water under the receiver of the air- 

 pump. This is the first recorded achievement of artificial congelation. ' A Short Account of Experiments and 

 Instruments' (1813) contains a description of this experiment, and is full of important and original work '. D. N. B. 



2571 LETTER (A) from PARIS concerning some NEW ELECTRICAL EXPERIMENTS made there [by 

 T. X.] , 4to. (pp. 7), sewn, 3s 1746 



A description of the remarkable experiments which resulted in the invention of the Leyden Jar. 



LEURECHON (Jean, s.j.) RECREATION MATHEMATIQUE v. No. 1193, ante. 



Key 



KIGGING, and to PRACTICAL SEAMANSHIP, first edition, with very numerous plates, finely 

 engraved on copper, 4to. hf. calf (sound copy) ; SCARCE, 1. l.v 1808 



' It had an immediate success and continued for nearly 40 years the text-book both in the Royal Navy and in the 

 mercantile marine.' .Sir /. A'. Laughton. There was no copy of the above edition in the Scott Library. 



2574 LE VERRIER (Urbain Jean Joseph; discoverer of Neptune) Sur la PLANETE NEPTUNE, 



4to. (pp. 8), sewn (scarce), 12s 1848 



2575 LEVESQUE (John, Anchor Brewery, St. Luke's) The ART of BREWING and FERMENTING, and 

 MAKING MALT, exhibited in Essays and Decimal Tables, with Description of the Author's newly- 

 invented Thermometer, 3rd Ed., folding front., 8vo. cl., 5s 1845 



This edition contains a List of Brewers in London, and the quantities brewed by each, 1759-60, and 1835. 



2576 - P'IFTH EDITION, with ABSTRACT of the ACT to ALLOW the USE of SUGAR in the BREWING 

 of BEER, by GILES HALL, front., 8vo. cl., 3s Qd [1853] 



This edition refers to the permission then first granted to use sugar in brewing. 



2577 LEVETT (R.), and C.DAVIDSON: The ELEMENTS of PLANE TRIGONOMETRY, plate- and 

 diagrams, 2 vols. cr. 8vo. cl., 3s Qd (p. 7s) 1896-2 



2578 LEWES (Vivian B., Royal Naval Coll., Greenwich) CANTOR LECTURES on ACETYLENE, impl. 

 8vo., sewn, Is 1899 



2579 - SERVICE CHEMISTRY : a Short Manual of Chemistry, and its Applications in the Naval 

 and Military Services, illustrated, 8vo. cl., 4s (p. 15s) [1889J 



