HENRY SOTHERAN & CO., 140. STRAND, W.C, and 37, PICCADILLY, W. 309 



6058 BAYLIS (Edward) Tlie Arithmetic of Annuities and Life Assurance, or Compound 

 Interest simplified ; explaining the Value of Annuities Certain, or Contingent on One or Two 

 Lives, and the Values of Assurances in Single and Annual Payments, etc. etc., 8vo. cL, with 

 author's inscr., 5s 1844 



• A skilful book.'— Z). N. B. 



6059 BAYLY (R. Child) The Complete Photographer, with 65 pretty specimen plates, atul 31 other 

 illustrations, thick 8vo. cl., 6s 6d (p. 10« 6rf nett) [1906] 



6060 BAYMA (Joseph, s.j., Stonyhurst) Tlie Elements of Molecular Mechanics, with 3 folding 

 plates, 8vo. cl. [out of print), 6s 1866 



' a tirst (Mideavoiir towanls ascertainiiiij the laws of luolociilar action.*— /lUro. 



6061 BAYNES (Robert Edward) Lessons on Thermodynamics, with 52 illustrations and table, 

 cr. 8vo. cl. (scarce). Is 6d Clarendon Press, Oxford, 1878 

 ' A complete English inathe iiatical intrwluctlon to the dynamical theory of heat No such treatise exist* at present. '-/fUro. 



6062 BAZLEY (Sir Thomas Sebastian) Notes on the Kpicycloidal Cutting Frame of Messrs. 

 Holtzapffel and Co., with spet-ial Reference to its Compensation Adjustment, and numerous Illus- 

 trations of its Capabilities, with front., and 115 illastratiom, 8vo. cl., 6* (p. 15* 6d) 1872 



6063 The Stars in their Courses, showing iiow to identify, at any Time of the Year, all Stars 



down to the 5 6 Mag. inclusive of lleLs, which are clearly visible in English Latitudes, with 24 

 star- maps, roy. folio, cl.,ls6d (p. 15«) 1878 



Not noticed by Mr. Q. F. Chambeni. 



6064 BEALL (George, Examiner to the Board of Trade) HANDBOOK to Bball's Compass Devia- 

 SCOPE, with Ken)arks on Magnetism, and the Deviation of the Compass in IRON 8HIPS, 2 plates 

 {one coloured), 8vo. boards', Ss 6d 1866 



6065 BEARDMORE (Nathaniel, c.e.) Hydraulic Tables, to aid the Calculation of Water and 

 Mill Power, Water Supply, and Drainage of Towns, etc., etc., etc., also Tide Tablks, 1852-4, 

 Tidal Constants, with various Phenomena of Tidal Rivers, with 8 plates, 8vo. cl., with author*s 

 inscr.,2s6d 1852 



6066 Another Copy, hf hound, Is 



6067 Manual of Hydrology: I. Hydraulic and other Tables; II. Rivers, Flow of Water. 



Springs, Wells, and Percolation; III. Tides, Estuaries, and Tidal Rivers; IV. Rainfall and 

 Evaporation, unth 20 plans and charts {many folding), 8vo. cl., 5s (p. £2. 2*) 1862 



Forming the third and very much enlarged edition of the preceding worlt. 



6068 BEARDMORE (Septimus, c.e.) The Globe Telegraph : an Essay on the Use of the Earth 

 for the Tkan-smlssion of Electric Signals, diagrams, roy. 8vo. (pp. 47), sewn, with author's 

 inscr. {title soiled), 4s 6d [1859] 



6069 BEARDSLEE (Rear-Adml. Lester Anthony, u.s.N.) Experiments on the Strength of 

 Wrougiit-Iron and of Chain-Cables: Report of the Committees of the U.S. IkMird appointed 

 to test Iron, Steel, and other Metals, on Chain-Cables, Malleable Iron, and re-heating and re- 

 rolling Wrought-Iron ; including miscellaneous Investigations into the Physical and Chemical 

 Properties of Rolled Wrought Iron, revised and abridged by William Kent, with front., 

 etc., roy. 8vo. hj. moi'occo neat {out of print), 7* 6d New York, 1879 



6070 BEATI (Gabbriello, s.j.) Sphaera Triplex Artiticialis, Elementaris, ac Caelestis ; variatJ 

 Planktarum Affectiones ; et praesertim Motus, facillime explicans ; with plates, and ffumer-j 

 ou^ other woodcuts, 12mo. old limp vellum, 8« 6d Roma:, 1( 



' Mezzo secolo dopo Galileo, rimaneva tiittavia Hegtiace delle dottrine Biill' iinmobilitit della terra.'— /I'lootirrfi. 



6071 [BEAUFOY (Henry Benjamin Hanbury, f.r.s.)J Scloppetaria : or Considerations on the] 

 Nature and Use of Rifled Barrel Guns, with reference to their forming the Basis of a I*er- 

 manent System of National Defence, agreeable to the Genius of the Country, by a Corporal o£J 

 Riflemen, with 9 copperplates, thick roy. 8vo. calf {joints cracked) ; SCARCE, £1. 10« \( ' 



Thk Authob'.s own Coi'y, interleavfxi, and witli MS. notes. It contains a cliapter on the theory of •ipiral motion 

 projectiles, and a History of the Rifle. 



6072 BEAUFOY (Col. Mark, F.R.S ) Nautical and Hydraulic Experiments, with numerous 

 Scientific Miscellanies [edited with Intro., etc., by his Son HENRY, F.R.S.], Vol. I. (all published), 

 with portrait, 2 fine vignettes by George Cooke, 16 copperplates, and woodcuts, thick inipl. 4to. d., 

 tincut {scarce), 12* 6d 1834 



6073 Another Copy, hf. morocco neat, cl. sides, I5s 



The author was a member of Uie w^'ll-known family of diaUUeni at South Lambeth, and was the fl»t KngUshman to 

 a.scend Mont Blanc, six days later than Saussure. 



This was the only volume printed at the autlior'H private prei>8, out of three proiK)se»l to be issued. The work was never 

 published, but presebted only to some public inKtitutions and individuals intereated in naval architecture. ' His 

 magnetic observations were superior in accuracy and extent to any earlier work of the kind. They served to <letermine 

 more precisely the laws of the diunial variation, as well as t.o fix the ei)och and amount of m.iximum Westerly declination 

 in England . . . The data accumulate*] by Ueaufoy enabled l^nmntin 1851 tocoutimi hia discovery nf a decennial iieriod 

 in the amount of diurnal variation, by placing a maximum in 1817.'— D. X. B. 



6074 BEATJLIEU (Sieur de, Ingenieur, Geographe du Roy, etc.) La Geometrie FraN(jX)ISE, on la 

 Pratique Aiskh, pour apprendre sans Maistre 1' Arpentage des Figures accessiblesetinaccessibles, 

 etc. etc., avec la Clef Arithmemetique [sic] jwur ses Operations. La QUADRACTUREdu Cercle, 

 ou la pratique et reduction des Cercles, Segmens, Eclipses, Faralwles, Hiperlwles, et Scixtions 

 coniques et cilindriques, etc. etc. ; with engraved title, copperplates, and vignettes, sni. 8vo. old calf 

 (RARE), £1. \s 1676 



' Beaulieu's quadrature amoant« to a geometrical construction which gives ir — >/\Q.'—Prof. de Morgan's Budget of Para. 

 do.re.0, where a full account of this curious work may be found. 



6075 BEAUMONT (William Worby, m.i.c.e.) Motor Vehicles and Motors : their Design, Con- 

 struction, and Working by Steam, Oil, and Electricity, V^ol. II, with 500 illustrations, including 

 numerous folding plates, thick 4to. cl., Jtl. Is (p. £2. 2s nett) 1906 



