HENRY SOTHERAN & CO., 140, STRAND, W.C, and 37, PICCADILLY, W. 69 



1352 FLAUTI (V.) Geometria di Sito sul Piano, e nello Spazio, 3* ed. riveduta ; with folding 



plates, roy. 8vo. boards, os Napoli, 1842 



13o3 FLEMING (John Ambrose, f.r.s.) The Alternate Current Transformer in Theory and 



Practice, numerous ivoodcuts, 2 vols. 8vo. cl., 8^ (p. £1. 5s) 1890-2 



1354 Vol. I : The INDUCTION of ELECTRIC CURRENTS, woodcuts, 8vo. cL, 35 6c? (p. 12s 6c?) 1890 



1355 The Principles of Electric Wave Telegraphy, tcith 7 plates, and numerous other 



illustrations, thick 8vo. cl., 18s (sells £1. 4s nett) 1906 



1356 FOCK (Andreas) Introduction to Chemical Crystallography, trans, and ed. by William 

 J. Pope, with Preface by M. H. Nevil Story-Maskelyne, f.R.S., large post 8vo. cL, 3s 



Clarendon Press, Oxford, 1895 



1357 FONTAINE (Hippolyiie) Electrolyse: Renseignenients pratiques; with 34 woodcuts, roy. 

 8vo. seu'u, 3.y M . 1885 



1358 FONTAINE des CRUTES (Pierre) Traite Complet sur I'Aberration de« Etoiles Fixes, 

 avee une Methode ponr determiner les Ditterences en Longitude en se servant de rOceultation des 

 Etoiles fixes par la Lune [par Pierre Charles Lemonnier] ; with plates, 8vo. old calf gilt {nice 

 copy), with bookplate of Philip 2nd Earl Stanhope, F.R.S. , 10s 6c? 1744 



Rark, unknown to Poggendorff, etc. 



1359 FONTANA (Francesco) : Nov^ Ccele.stium, Terrestriumque Kerum Observationes, et 

 fortasse Imctenus non vulgatiie, a Francesco Fontana, specillis a se inventis, et ad summani 



^^ perfectioneni perductis, editic; with etched portrait, mt. 61, title and numerous other engravings, 



HH and woodcuts, sni. 4to. old limp vellum {some small holes in title, and 1 plate slightly defective); 



■ rare, £1. is Neapoli, 1646 



^H Chiefly intere.<ting for the author's claim to have invented the astronomical telescope in 160S (invented one year later 



^H by Galileo), and the microscope in l(ilS (actually invented by Zacharias Jansen in 1500). The work contains however a 



^Bf genuine discovery— not generally known — the first observation of spots on the surface of Mars. 



11360 [FONTENELLE (Bernard le Bovier de)] Elements de la Geometrie de I'Infini ; with 

 I plate, 4to. old calf gilt {fine copy), with bookplate of Philip 2nd Earl Stanhope, F.E.S., 8s Gd 

 I Imprimerie Royale, 1727 



I 1361 Another Copy, old calf, with bookplate of Edward \2th Duke of Norfolk, Is 6o?' 



1362 [ ] A Plurality of Worlds, written in French by the Author of the 'Dialogues of the 



Dead', trans, by [John] Glanvill, front., and folding plate, 16mo. old calf {binding broken). 

 Is M 1702 



1363 [ ] Theorie des Tourbillons Cartesiens ; avee des Kettexions sur I'Attraction, 12mo. 



old calf gilt, 7s Qd 1752 



One of the last forlorn-hope attacks on Newton's theory of gravitation, and a defence of Descartes's theory of vortices, 

 which soon became discredited after the appearance of the J'rincipia. 



1364 FONVIELLE (Wilfrid de) Les (tRandes Ascensions IMaritimes: La Traversee de la 

 Manche ; u:ith folding plates, post 8vo. sewn, 2s 1882 



1365 FOB.BES (George, f.r.s.) Lectures on Electricity, illustrated, post 8vo. cl. {out of print), 

 .3.V Qd 1888 



1366 FOBBES (James David, f.r.s.. Principal of the United College, St. Andrews ; geologist). Life 

 and Letters of, by John Campbell Shairp, Peter Guthrie Tait, and A. Adams-Reilly, 

 with portraits, map, and photo-illustrations, 8vo. cl., 6s (p. 16s) 1873 



With chapter on Forl)e8's scientific work. 



1367 FORBES (John, d.d.) Theory of the Differential and Integral Calculus, derived 

 synthetically from an Original Principle, diagrams, 8vo. cl., with author's inscr.. As Glasgoto, 1837 



Atteiiiptiiig to establish the calculus on geometrical principles. 



V. Differential and Integral Calculus, ante. 



1368 FORBES (XJgo) Memoria sopra un Nuovo FoRTiNO e due Nuovi Sistenii per Recinti in 

 F<)rtili(a/.i<)ne Passeggera ; with folding plates, fcap. 8vo. hf. calf, 2s Qd Firenze, 1849 



1369 FORD (William) Practical Treatise on Malting and Brewing, with Historical Account 

 of the Malt Tra<le and Laws, 3 folding plates, 8vo. cl., 5s 1862 



1370 FORFAIT (Pierre Alexandre Laurent) Traite Elementaire de la Mature des Vaisseaux ; 

 with 24 folding plates containing 190 fgures, 4to. old calf gilt {some II. stained), 15s 1788 



* Tont ce qui concerne les bois, les nnits, les vuilures, les vergnes et les aiitres parties du vaisseau y est decrit avee une 

 precision renianiuable'. — IJiogr. (Uni. 



1371 FORSTER (Thomas I^atius Maria, m.d., f.r.a.s.) Annals of some remarkable Aerial 

 and Alpine Voyages, with the Atlections to which Aerial and Mountain Travellers are liable, 

 and Essay on the Flight and Migration of Birds, woodcuts, 8vo. sewn {scarce), Gs 1832 



Including un account of the autiKjr's ascent, with Green, in 1S31, specially undertaken to study the utiiiu.splicMic origin 

 of diseases. The above work was iiiikiiown to D. N. U. 



1372 Keseahches about v\ imospheric Ph.*;nomena, 3rd [last] Ed., enlarged, \\dth the 



Calendar of Nature, 6 tinted plates, 8vo. boards, uncut {scarce), 10s 6c? 1823 



1373 FORSTER (Westgarth) Treatise on a Section of the Strata from Newcastleon-Tyne to 

 the Mountain of (Jross Fell, Cumljerland, with Remarks on Mineral Veins in General, and 

 Treatise on the Discovery, Opening, and Working of Lead Mines, with the Dressing and 

 Smelting of Lead Ores, 2nd Ed., greatly enlarged, with folding plates [a few coloured), and table, 

 8vo. neiv hf. brown calf gilt (SCARCE), 15s Alston, 1821 



One of the earliest works on lead mining. 



1374 FORSTER (Wilhelm) Sammlung von Hulfstafeln der Berliner Sternwarte, rov. 4to. 

 cl., 4s Berlin, 1869 



1375 FORT (O.), und O. SCHLOMILCH: Lehrbuch der analytischen Geometrie; with 

 diagrams, 2 vols. Svo. in 1, hf. calf, 2s ^d Leipzig, 185^ 



