HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 43, PICCADILLY, V . 395 



7711 EVANS (Henry B., Univ. Penna.) The MEAN RIGHT ASCENSIONS and PROPER MOTIONS 

 254 STARS, roy. 4to. (pp. 19), sewn, 2s Qd [Philadelphia, c. 1900 1 



7712 EVANS (Oliver; improver of the steam-engine in America, 1755-1819) The YOUNG MILL- 

 WRIGHT and MILLER'S GUIDE, with Additions and Corrections by THOMAS P. JONES, and 

 Description of an IMPROVED MERCHANT FLOUR-MILL by C. and 6. EVANS, 28 plates (some 

 folding], roy. 8vo. sheep (back damaged) ; scarce, 12* Qd Philadelphia, 1853 



Fourteenth and last edition of this valuable work on milling. Oliver Evans was the inventor of the rolling screen and 

 fan for sifting corn, and of the elevator ; and has been generally credited with the invention of the Cornish Boiler about 

 1787, and of the high-pressure steam engine. 



7713 EVANS (W. J., M.D.) The SUGAR-PLANTER'S MANUAL: a Treatise on the Art of obtaining 

 Sugar from the Sugar Cane, with 2 folding plates, besides woodcuts, 8vo. cl., 8s Qd 1847 



' This masterly work is full of the most valuable information for the planter, and will certainly become the text-book 

 and standard work of reference on sugar manufacture.' 



7714 EVERARD (Thomas) STEREOMETRY, or the ART of GAUGING made EASIE, by the Help of 

 a SLIDING-RULE, which shews the Area's of Circles in Gallons and the Square and Cube-Root of 

 any Number under 100,000, by Inspection : and is also very useful in Arithmetick and Geometry, 

 etc., with Appendix of CONICK SECTIONS, 8th Ed., with New Tables, and Short and Plain Rules 

 for Gauging of Malt, with 2 folding plates, 12mo. sewn, 7* Qd 1721 



7715 NINTH EDITION, with new Excise- Tables, the Method of calculating Diagonal Lines, 



Rules for Gauging of Malt, and the Line upon the Rule call'd M.D. or the Malt-Depth explain'd 

 [with Preface by CHARLES LEADBETTER] , 2 folding plates, 12mo. sound copy in old calf (rare), 

 12s Qd 1727 



The sliding rule as applied to gauging was, according to the preface, the author's own invention, and ' so well known 

 amongst the officers of H.M.'s Revenues, that there is no room to doubt, but that this book and rule will be in great 

 esteem as long as the Excise itself shall continue '. Preface. 



' A book which once had a great reputation among excise collectors '. Pro/, de Morgan. 



7716 EVEREST (Lt.-Col. Sir George, F.R.S.) SERIES of LETTERS addressed to H. R. H. the DUKE 

 OF SUSSEX, as President of the Royal Society, remonstrating against the Conduct of that Learned 

 Body, 8vo. (pp. 147), sewn, 5s Qd W. Pickering, 1839 



A protest against the Society's decision to place unlimited confidence in Major Jervis's goedetic plans in regard to 

 India. The author rendered very important services in connexion with the Indian geodetic survey ; and was the hero 



eponymus of Mount Everest. 



7717 EVERETT (Joseph David, F.R.S.) On the ALGEBRA of DIFFERENCE-TABLES : On INTERPO- 

 LATION FORMULA : On a NEW INTERPOLATION FORMULA 3 parts 8vo. sewn, 3s 1900 



7718 On a FLAT MODEL which solves PROBLEMS in the USE of the GLOBES, with diagrams, 



roy. 8vo. (pp. 9), sewn, Is Qd 1904 



7719 ILLUSTRATIONS of the CENTIMETRE-GRAMME-SECOND [C.G.S.] SYSTEM of UNITS, first 



edition, 8vo. cl. (SCARCE), 5s Physical Soc., 1875 



7720 NEW EDITION, with TABLES of PHYSICAL CONSTANTS, cr. 8vo. cl., 2s Qd (p. 5s) 1891 



7721 On SKEW REFRACTION through a LENS : and on the Hollow Pencil by an Annulus of a 



very Obliquely Placed Lens, with 2 folding charts, 8vo. (pp. 14), sewn, Is Qd 1903 



7722 UNITS and PHYSICAL CONSTANTS, cr. 8vo. cl., 2s 1879 



7723 VIBRATORY MOTION and SOUND, with 4 plates and 48 woodcuts, 8vo. cl., with auto, of Sir 



Frederick Bramwell, F.R.S. (scarce), 5s Qd 1882 



'The first English treatise dealing with vibratory motion as a special and separate subject '. Athenaeum. 



- v. DESCHANEL, Nos. 7267-70, ante. 

 EVEUX de FLEURIEU ( , Enseigne des Vaisseaux)v. BERTHOUD, No. 6172, ante. 



7724 EWBANK (Thomas, Commissioner of Patents) DESCRIPTIVE and HISTORICAL ACCOUNT of 

 HYDRAULIC and other MACHINES for Raising Water, Ancient and Modern, with Observations on 

 the Mechanic Arts, and the Development of the STEAM ENGINE, 12th Edition, with Supplement, 

 engraved title, and 290 woodcuts, thick 8vo., cl., Qs New York, 1851 



7725 SIXTEENTH [LAST] EDITION, enlarged, with engraved title, and 290 woodcuts, roy. 8vo. cl., 



8s (p. 1. 10s) ibidem, 1870 



Containing much interesting historical information. 



7726 EWING (Sir James Alfred, K.C.B., F.R.S. ; Director of Naval Education) MAGNETIC IN- 

 DUCTION in IRON and other METALS, with 159 illustrations, 8vo. cl., 3s Qd (p. 10s Qd) 1892 



7727 THIRD [LATEST] EDITION, enlarged, with 173 illustrations, 8vo. cl., Qs Qd (p. 10s Qd nett) 



1900 



7728 The STEAM-ENGINE, and other HEAT-ENGINES, with 185 illustrations, 8vo. cl., with 



author's inscr. , and bookplate of, and MS. notes by, F. J. Jervis-Smith, pr. FM.S. , Qs Qd (p. 15s) 



Univ. Press, Cambridge, 1894 



7729 The STRENGTH of MATERIALS, 2nd [latest] Edition, with 150 illustrations, 8vo. cl., Qs Qd 



(p. 12s) a.e.,ib., 1903 



7730 EYTELWEIN (Johann Albert) BEMERKUNGEN iiber die WIRKUNG und vortheilhafte 

 ANWENDUNG des STOSSHEBERS (Belier Hydraulique), nebst Versuchen, mit verschiedenen 

 Anordnungen dieser neuen Wasserhebungsmaschine ; with 3 folding copperplates, 4to. hf. cl. , 12s Qd 



Berlin, 1805 



7731 ANOTHER COPY, partly interleaved with writing paper, 4to. contemporary hf. calf gilt, 



with old bookplate of ' Mathieu, Conseiller', 15s 



The first exhaustive account of that mildly efficient engine, the Hydraulic Ram, invented by Joseph Michel Montgolfier 

 (co-inventor of the balloon) in 1797. In one of his experiments Eytelwein uses the ram to register lines on a moving strip 

 of paper one of the earliest uses of a mechanical registering apparatus. 



7732 PRAKTISCHE ANWEISUNG zur BAUART der FASCHINENWERKE und der dazu gehorigen 



Anlagen an Fliissen und Stromen, nebst einer Anleitung zur Veranschlagung dieser Baue, 2. 

 Auflage ; with 8 copperplates (1 folding), 4to. old boards, 10s ib., 1818 



