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



8045 FOBTSOHRITTE der PHYSIK im Jahre 1848, dargestellt von der physikalischen Gesell- 

 schaft zu Berlin, IV. Jahrgang, redigirt von G. Karsten, 8vo. sewn, Ss Berlin, 1852 



8046 FOSTER (Greorgre Carey, f.r.s.), and Edmund ATKINSON: Elementary Treatise on 

 Electricity and Magnetism, founded on Joubert's 'Traite El^mentaire d'Electricite,' 

 vnth 380 woodcuts, cr. 8vo. cL, Ss 6d (p. 7^ 6d) 1896 



g047 Second Edition [rewritten], by G. C. Foster, f.r.s., and Alfred W. Porter, with 



374 woodcuts, 8vo. cl., 6s 6d (p. 10* Qd nett) 1903 



8048 [FOSTER (Capt. Henry, rn., f.r.s.)] Report, etc., containing an Account of the Experi- 

 ments made on board R.M. SS. Leven, Conway, and Griper, for Correcting the Local 

 Attraction of those Vessels, agreeably to a Principle proposed by Peter Barlow, f.r.s., 

 8vo. (pp. 64), sewn, 4s [1824] 



' Francis Baily, Esq, with the Author's Compliments.'— /7iscr. on title. 



8049 On the Longitude of Port Bowen, by the Method of Moon-culminating Stars, with 



Appendix by FRANCIS Baily, f.r.s., 4to. (pp. 8), seivn, 2s 6d 1826 



8050 FOSTER (Samuel, Professor of Astronomie, Gresham-Colledge) Elliptical, or Azimuthal 

 Horologiography : comprehending several wayes of describing Dials upon all Kindes of Super- 

 ficies either plain or curved ; and unto upright Stiles in whatsoever position they shall be placed 

 [ed. by John Twysden and Edmund Wingate], ivith numerous woodcuts, 4 parts sm. 4to. in 1, 

 contemporary calf {edges somewhat brovmedt but a sound copy) ; rare, £2. 2s 



E. and W. Leyhourn for N. Bourn, 1654 

 Containing also, with separate title-pages : Circular Horologiography (pp. 115-32) : Rectilineal or Diametral Horo- 

 logiography (pp. 133-68) : Elliptical Horologiography (pp. 169-204). According to the editors, the subject in the above 

 work is • handled in a way which no man whosoever, that we know of, hath hitherto fully traced.' 



8051 Miscellanies : or, Mathematical Lucubrations, published, and many of them trans- 

 lated into English, by the care and industry of John Twysden, m.d., whereunto he hath annexed 

 some things of his own, with fine copperplates {some folding), and diagrams, 18 parts in 1 vol. folio, 

 very fresh copy in contemporary sheep {mended) \ very rare, £2. 25 B. and W. Leyhourn, 1659 



8052 Another Copy, old hf sheep {wanting all plates and 2 preliminary II. ; also first title 



mounted), 155 



The works by the author include : Catalogus Stellarum Fixarum : Astroscopium (Latin and English) : Instrumenta 

 Planetaria (L. and E.) : Observationes Eclipsium (L. and E.) : Ratio facillima computandi Altitudinem Solis horariam (L. 

 and E.): Problemata Geometrica Varia (L. and B.): De Constructione Canones, Sin. etc. ; Demonstratio Quadrantis Horo- 

 metrici : Epitome Aristarchi Samii de Magnitudine Solis et Lunae : Lemmata Archimedis a vetusto Codice MS. Arabico a 

 Johanne Gravio traducta : The Geometrical Square, with the Use thereof : Horizontal Projection, and the Use of the 

 Planisphere : Refracted Dials, also the following by John Twvsden : Problematum Mathematicorum Solutio Analytica 

 (L. and E.) : The Whole Art of Reflex Dialling : Short Treatise of Fortifications, and a preface with interesting 

 biographical information ; also contributions by Immanuel Halton and John Leeke. 



' He made several curious observations of eclipses, and was particularly famous for inventing and improving many 

 planetary instruments.' — D. N. B. 



Posthuma Fosteri — V. No. 1379, ante. See also Gunter (Edmund), Nos. 8745-50, post. 



8053 FOULLON (Abel ; italice FuUone ; Valet de Chambre de Henri II) Descrittione et Uso dell' 

 Holometro, per saper misurare tutte le cose, che si possono veder, coll' occhio cosi in Lunghezza, 

 e Larghezza ; come in Altezza, e Profonditk ; with numeroics fine engravings on copper, 4to. 

 contemporary vellum, or, sewn (rare), 185 6d Veneiia, G. Ziletti, 1564 



8054 Another Copy, boards {stained, hut a very large copy), 155 



The author is chiefly known for his invention of the 'bolometer', an improved surveying instrument, of which the 

 above work contains minute descriptions and illustrations. 



8055 FOURCROY (Antoine Fran9ois Oomte de) Elementary Lectures on Chemistry and 

 Natural History, containing a Methodical Abridgement of all the Chemical Knowledge 

 acquired to the present Time, with a Comparative View of the [Phlogiston] Doctrine of 

 Stahl, and that of several other Chemists, translated by Thomas Elliot, with many Additions, 

 Notes, and Illustrations by the Editor, 2 vols. 8vo. old calf (rare), 155 JEdin., 1785 



8056 The Same, 2 vols, in 1, old hf. calf {one Joint cracked), 12s 



First English Edition of this once famous chemical manual, and still of importance to the historian of chemistry. 



8057 Another Copy, contemporary calf extra (fine copy), £1. I5 



The above copy belonged to Richard Watson, d.d., f.r.s. (1737-1S16), absentee Bp. of Llandaff, and sometime 

 professor of chemistry in Cambridge University, to which Chair he was appointed before he had ever thought of the 

 science, and bears his Calgarth Park booklabel. 



8058 Elements of Natural History and Chemistry, translated from the 3rd French 



Edition (1789), with Alphabetical Comparative View of the Ancient and Modern Names of 

 Chemical Substances, and Preface by the Translator [William Nicholson], containing Strictures 

 on the History and present State of Chemistry, Observations on the Antiphlogistic Theory 

 and the New Nomenclature, etc. etc., tables, 3 vols. roy. 8vo. old hf ca//(RARE), 175 6d 1790 



This edition was wholly rewritten, and is based on Lavoisier's antiphlogistic theory. It also lirst contains the new 

 chemical nomenclature, which was partly the author's own work. 



8059 Elements of Chemistry, and Natural History, with the Philosophy of Chemistry, 



translated from the 4th French Edition by Robert Heron, with tables, 4 vols. 8vo. old calf 

 (RARE), £1. l5 1796 



This edition contains the 'Philosophy of Chemistry', not included in the foregoing ones. All editions have now 

 become rare. 



' Fourcroy's great merit lay in his activity as an organiser and teacher. His experimental investigations served as 

 preparatory work in many branches, «. g. in those of physiological and pathological chemistry.'— Pro/. E. v. Meyer. 



8060 General System of Chemical Knowledge ; and its Application to the Phenomena of 



Nature and Art, translated by William Nicholson, 11 vols. 8vo. in 10, old hf russia {backs 

 damaged, and Atlas of Tables wanting), I2s Gd 1804 



A translation of Fourcroy's Systhne des Connaissances Chimiques, ' le plus grand monument eleve a la science de la 

 chimie au XVIIIe siecle.'— liiogr. Gen. 



