HENRY SOTHERAN & CO., 140, STRAND, W.C, and 37, PICCADILLY, W. 230 



4694 SWINBURNE (James, F.R.s.) Practical Electrical Measurement, 55 woodcuts^ 8vo. cl., 

 2s 6cl 1888 



4695 Practical Electrical Units popularly explained, fcap. Svo. cl., Is Qd 1883 



4696 SWINDEN (Jan Hendrik van) Dissertation sur la Comparaison des Thermometres ; 

 with copperplate, and large folding table, Svo. old hf. calf gilt (rare), \'2s Qd Amsterdam, 1778 



Valuable for contaiuing accounts of numerous thermoinetric, scales, most of which are now forgotten, and can only bo 

 traced from the above and a few other contemix>rary works. 



4697 Observations sur le Froid Rigoureux du Mois de Janvier 1776 ; with folding table, 



Svo. sewn, uncut, Ss 6d ibidem, 1778 



An interesting account, with copious meteorological statistics, of the great cold of 1776. A comparative thermometric 

 table shows the greatest cold of 86 European towns to have been in Rudolstatt, Gennany, at 65.5" of frost F., while the 

 lowest reading in London was 13.5°. 



4698 Theoremata Geometrica, accedunt Problematum Geometricorum Libri V ; with 5 



folding plates, 8vo. boards, uncut, 4s 6rf ib., 1786 



4699 SWINGLE (0. F.) Twentieth Century Hand-Book for Steam Engineers and Elec- 

 tricians, with Questions and Answers: Electrical Division b^v H. C. Horstmann and 

 V. H. TOUSLEY, with 260 illustrations, sq. post Svo. limp morocco, with flap and pocket, a. c., Is Qd 



Chicago, 1905 



4700 awiTZER (Stephen) Introduction to a General System of Hydrostaticks and Hydrau- 

 LICKS, Philosophical and Practical, wherein the most reasonable and advantageous Methods of 

 raising and conducting Water, for tiie Watering Noblkmens Seats, Gardens, etc. are care- 

 fully (and in a Manner not yet publish'd in any Language) laid down ; with a Physico-niechanical 

 Enquiry into the Ori«p'in and Rise of Springs . . . the Principles of Waterworks . . . and the 

 best Engines for raising and distributing Water, with front., and 59 folding copperplates, 2 vols. 

 4to. in 1, hf. calf {wanting plate 14, and a number of II. and plates foxed) : rare, 15* 1729 



This copy belonged to William Nicholson (1753-1815), inventor, and editor of ' Nicholson's Journal of Natural Philo- 

 sophy,' and has his auto, pasted on flyleaf, and MS. notes in the text. 



4701 Universal System of Water and Water- Works, Philosophical and Practical, with 



front., and %Q folding plates on copper, 2 vols. 4to. in 1, old calf (fine copy), with bookplate of Philip 

 2nd Earl Stanhope, F.R.S. ; rare, £1. 5* 1734 



A verbatim reprint of the above ' Intro<luction ' with a new title. It is valuable for its numerous illustrations of con- 

 temporary water-engines, and the views of formal gardens with water-works. 



' G. W. Jolinson considers Switzcr to be greatly superior to Bradley, Lawrence, and the other contemporary writers on 

 gardening. He was a skilful draughtsman, and himself designed many of the illustrations to his workk. These are im- 

 portant as givipg examples of the ideals of the early XVIII. century in gardening.'— 2). N. B. 



4702 SYLVESTER (James Joseph, f.r.s. ; Savilian Prof Geometry, Oxon.) Astronomical Pro- 

 LU.SIONS, commencing with an Instantaneous Proof of Lambert's and Euler's Theorems .... and 

 a Discussion of Motion in a Circle and its relation to Planetary Motion, Svo. (pp. 26), interleaved; 

 limp morocco, 2s 6d 1866 



4703 Memoir on Rational Derivation from Equations of Coexistence : a new and 



extended Theory of Elimination, Part I, Svo. (pp. 6), unbound, with inscr. to Prof Plana, 2s 1S39 



4704 On a Remarkable Discovery in the Theory of Canonical Forms and of Hyper- 

 determinants, Svo. (pp. 20), seion, with author's MS. corrections and inscr. to Peter Mark 

 Roget, F.R.S., 3* Qd 1851 



4705SYMONS (George James, f.r.s.) British Rainfall: on the Distribution of Rain over the 

 British Islands, from 1867 to 1899 (Vols. 8-40), with plates, woodcuts, maps and charts, 33 vols. 

 Svo. cl, £2. 175 Qd (p. £13) 1867-99 



4706 Another Set, from 1871 to 1898, with plates, tooodcuts, maps, etc., 27 vols. Svo. cl., 



£2. 55 (p. £10. 10*) 1871-98 



4707 Another Set, from 1872 to 1893, with plates, woodcuts, m^ps, etc., 22 vols. Svo. cl., 



£1. lOs 1872-93 



' In 1898 the number of stations had grown [from 168 in 1S60] to 8,404, and they were manned by an army of over 3,000 

 volunteer observers. This unique organisation was kept by Symona under close personal supervision, and the upshot was 

 the accumulation of a mass of data of standard value, unmatched in any other country. The sanitary importance of 

 water-supply was a determining motive for its collection.'— D. If. B. 



The P^RUPTiON of Krakatoa— V. iVo. 2331, ante. 



4708 Monthly Meteorological Magazine, from 1870 to 1898 (Vols. V-XXXIII), with plates, 



woodcuts, and tables, and Index to Vols. I -XXX— together 30 vols. Svo. d., £2. 2* (p. £7. 10*) 1870-98 



4709 Another Series, from 1870 to 1892 (Vols. V-XXVII), and Index to vols. 1-30, with plates, 



woodcuts, etc., 24 vols. Svo. vols. 5-12 hf calf, and the rest cl., £1. 10* 1870-92 



4710 SZERDAHELYI (Georg: Aloys, s.j.) Elegia Epidictica per quam demonstratur : Primum 

 Hominem Adamum fuisse Primum et Maximum Astronomum, Svo. (pp. 26), sewn (rare), 4s 



Viennce, 1789 



4711 T. (R.) A BriefTreatise of the Use of the Globe, Celestiall and Terrestriall, wherein is set downe 

 the Principles of the Mathematicks, fit for all Travellers, Navigators, and others that doe love the 

 Knowledge of the same Art, with diagram on last I., sm. 4to. (pp. 40), sewn {rare), \5s 



F. Forcet,for WU : Lugger, on Tower-hill at the Posterne-gate, 1647 

 Chiefly an introduction to nautical astronomy from the shop of a Seventeenth Century ' Norie'. 



4712 TACK (D^sirfe, ing6nieur-m^canicien) Du Meilleur Emploi de la FORCE de la Vapeur, sous 

 le Rapport de I'Economie et de la S<5curit(5, ou Considc^rations thdoriques et pratiques sur lea 

 Systemes .\ Basse, Moyenne, et Haute Pression ; ivith folding table, Svo. (pp. 52), sewn {scarce), 5s 



Bruxelles, 1834 



4713 TACKELS (E. J.) Etude sur les Armes se chargeant par la Culasse ; with 2 plates, and 

 woodcuts, large Svo. hf. calf neat {scarce), Qs Qd Bruxelles, 1866 



Interesting as one of the earliest accounts of breech-loaders. 



