HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 37, PICCADILLY, W. 59 



1148 EDINBURGH ROYAL SOCIETY'S TRANSACTIONS, Vol. XXX, parts 2-4, XXXII-XXXVI, 

 XXXVII, pts. 1-2, and XXXIX, pts. 2-4, with numerous plates and other illustrations, 23 parts 

 4to. sewn, as issued, 3. 3s (p. 30. 12s) Edin., 1881-1900 



1 149 EDSEB (Edwin) MEASUREMENT and WEIGHING, 36 illustrations, post 8vo. cl., Is Qd 1899 



1 150 EDWARDS (Joseph) DIFFERENTIAL CALCULUS for BEGINNERS, diagrams, post 8vo. d., Is fid 

 (p. 45 Qd) 1893 



1151 EDWARDS Jun. (Frederick) On the VENTILATION of DWELLING-HOUSES, and the UTILIZA- 

 TION of WASTE HEAT from OPEN FIRE PLACES, plates (so me folding), roy. Svo. cl. (scarce), 6s 1868 



According to the preface the first attempt to use the heat escaping by the chimney. 



1152 EDWIN (R. A., R.N.) TRAVERSE TABLE; with Simple and Brief METHOD of CORRECTING 

 COMPASS COURSES, roy. 8vo. cL, (cover slightly stained), 3s Portsmouth, 1871 



1153 EHRMANN (Friedrich Ludwig) VERSUCH einer SCHMELZKUNST mit BEYHULFE der 

 FEJJERLUFT ; with copperplate, sm. 8vo. nice copy in original boards, with bookplate of Prof. 

 F. L. Schurer (Strassburg,fi. 1789) ; scarce, 10s Qd Strassburg, 1786 



FIRST EDITION. It contains numerous interesting and original experiments, i.a. describing an apparatus invented by 

 the author for using oxyhydrogen gas in his smelting operations. The work was considered important enough to be 

 translated by order of the French Academy. 



1154 - ESSAI d'un ART de FUSION a 1 s AIDE de 1'AiR du FEU ou AIR VITAL, tradnit par M. DE 

 FONTALLARD; suivi des MEMOiRESde MR. LAVOISIER sur le meme Sujet ; with 3 plates, 8vo. old 

 calf gilt, 10s Strasbourg, 1787 



Lavoisier's contributions (pp. 113) comprise : ' De 1'action du feu anime par 1'air vital sur les substances minerales les 

 plus refractaires ', ' Sur 1'eflfet que produit sur les pierres precieuses un degre de feu tres-violent ', and ' Sur un moyen 

 d'augmenter considerablement Faction du feu et de la chaleur dans les operations ohimiques '. 



1155 EIFFE (John Sweetman) ACCOUNT of IMPROVEMENTS in CHRONOMETERS, with ROBERT 

 MOLYNEUX'S SPECIFICATIONS for the same [with Preface by SIR J. B. AIRY], 5 plates by Basire, 

 4to. cl.,Qs 1842 



The improvements, for which the author received a reward from the Admiralty, have reference to the compensation 

 balance. 



1156 EISENSCHMIDT (Johann Caspar) DIATRIBE de FIGURA TELLURIS ELLIPTICO-SPH^ROIDE, 

 ubi una exhibetur ems magnitude per singulas dimensiones, consensu omnium Observationum 

 comprobata, editio princeps ; with 3 copperplates, sm. 4to. sewn, uncut (RARE), 1. Is 



Argentorati, 1691 



This work, through the author's contention of the earth being elongated towards the poles, caused the long discussion 

 on the figure of the earth which was only ended in 1736, by the result of Maupertuis and Bouguer s meridian-measurement. 



1157 EISSLER (M.) HANDBOOK of MODERN EXPLOSIVES, 105 illustrations, cr. 8vo. cl., 4s 

 (p. 10s Qd) 1890 



1158 ELECTRIC ILLUMINATION, by JAMES DREDGE (Editor), CONRAD COOKE, M. F. O'REILLY, 

 S. P. THOMPSON, F.R.S., and H. VIVAREZ, with ABSTRACTS of [PATENT] SPECIFICATIONS relating 

 to Electric Lighting (1837-72), compiled by W. LLOYD WISE, Vol. I (all pub.), with 833 woodcuts, 

 thick 4to. cL, 10s (p. 1. 10s) [1882 J 



Still valuable for the list of patents taken out. The proposed 2nd vol., containing the applications of the electric light, 

 cost of production, photometry, secondary batteries, accessories, motive power, etc., was never published. 



1159 ELECTRICAL ENGINEER, (The): a WEEKLY JOURNAL of Electrical Engineering, with 

 which is incorporated 'Electric Light', Vols. IX-XV (New Series, Vols. III-IX), with plates and 

 numerous other illustrations, 7 vols. folio, hf. calf (last v. sewn), 1. 5s 1889-92 



1100 - REVIEW (The); originally the TELEGRAPHIC JOURNAL and ELECTRICAL REVIEW, 

 from 1882 to 1893 (Vols. 10-33), illustrated, 24 vols. folio, the first 20 vv. hf. calf gilt, and the rest 

 sewn, 8. 8s 1882-93 



1161 ELECTRICIAN (The), and ELECTRICAL ENGINEER: a Monthly Review of Theoretical and 

 Applied Science, Vols. III-XIV, copiously illustrated, 12 vols. 4to. hf. calf (last 2 vols. sewn), 

 1. 10s New York, 1884-92 



1162 ELECTRICIEN (L) : REVUE GENERALE d'ELECTRiciTE : Secretaire de la Redaction E. 

 HOSPITALIER, Tomes 1 a 6 ; ivith plates, and numerous woodcuts, 6 vols. roy- 8vo. in 5, hf. calf gilt, 

 15s 1881-3 



1163 ELECTRICIENS, CONGRES INTERNATIONAL des, Paris, 1889 ; COMPTES RENDUS des TRAVAUX, 

 publics par les soins de J. JOUBERT ; with woodcuts, roy. 8vo. hf. calf, 4s 1890 



1164 ELECTROCHEMICAL SOCIETY (AMERICAN), TRANSACTIONS of the; Vols. I-V, with por- 

 traits, plates, and numerous other illustrations, 5 vols. 8vo. cl., 1. 18s (p. 3. 15s nett) 



Philadelphia, 1902-4 



1165 ELLIOT (James) COMPLETE PRACTICAL TREATISE on the NATURE and USE of LOGARITHMS, 

 and on PLANE TRIGONOMETRY, 5th Ed., with Key, 3rd Ed., 2 vols. 8vo. cl., 4s [1872-55J 



1166 ELLIS (Alexander John, F.R.S. ; philologist) ALGEBRA IDENTIFIED with GEOMETRY, plate, 

 Svo. sewn (scarce), 5s 1874 



Maintaining that algebra is a purely geometrical calculus, not an arithmetical one. 



- How to TEACH PROPORTION without Reference to Commensurability, with Notes on 

 Collateral Subjects, Svo. sewn, 2s 1877 



1168 ELLIS (Robert Leslie; Baconian] MATHEMATICAL and other WRITINGS ; edited by WILLIAM 

 WALTON, with Memoir by HARVEY GOODWIN [Bishop of Carlisle], steel portrait by Radclyjfe, and 

 diagrams, Svo. cl., 7s Qd (p. 16s) 1863 



1169 [EMERSON (William)] The ARITHMETIC of INFINITES, and the Differential Method; illus- 

 trated by Examples, numerous plates, Svo. old calf, 5s 1767 



The METHOD of INCREMENTS, wherein the Principles are demonstrated ; and the Practice 

 thereof shewn in the Solution of Problems, 4to. sewn (rare), 10s Qd 1763 



Chiefly based on Taylor's ' Methodus Increiueutoruin ', and Stirling's ' Differential Method ', and valuable as au early 

 eatise ou the calculus of liuite differences. 



