HENRY SOTHERAN & CO., 140, STRAND, W.C, AND 37. PICCADILLY, W. 1^8d 



5670 AGNESI (Maria Gaetana, Univ. Bologna) Analytical Institutions, trans, by John 

 COLSON, pr., F.R.S., now first printed, from the Translator's MS., under the Inspection of John 

 Hellins, pr., F.R.S., with numerous diagrams, 2 vols. 4to. boards^ uncut, 8» 1801 



5671 Another Copy, 2 vols, in 1, calf gilt, 10* 6d 



Although containing no important discoveries, tlie work long formed a valueil text-book, and is remarkable as tJie flnit 



work on the subject writt<?n by a woman. 



5672 AGUCCHIA (Lattanzio, aritmetico Bolognese) II COMPUTISTA Pagato, per trouare in vn 

 subito il conto fatto di ([ualumjue sorte di pa{,'aniento che si faccia, cosi a giomi, come a mesi, et 

 anno, prima edizione; with engraved title, 4to. sewn (wanting pp. 101-8, and with some small 



^ worm-holes) ; VERY rare, \bs Jioma, G. Mascardi, 1613 



5673 Edizione Novissima, diligentemente corretta, 4to. sound atpy in contemporary vellum, 



6* Venezia, 1765 



' A \ ery scarce Rea.ly- Reckoner and Tables of lutereiit, tinknown to Prof, de Moreno.'— Liltri QUatoffy*. 



6674 AHBENS (Felix B., Breslau) Das Garungsproblem ; roy. 8vo. sewn, U 6cf Stuttgart, 1902 



r>675 AIBY (Sir George Biddell, P.R.S., Astronomer Jtot/al) Account of the Northumberland 



EtjUATOREAL and Dome, attached to the Camhridge Observatory, with 19 plates bu Basire, 



besides woodcuts, 4to. (pp. 39), cl. (out of print), Is HI Univ. Press, Cambruige, 1845 



5676 Account of Pendulum Experiments in the Harton Colliery to Determine the 



Mean Density of the Earth, vignette and 2 plates by Basire, 4to. (pp. 60), 9ewn, with auihor*§ 

 inscr. {name cut off title), 5s 18M 



The successful completion, after twenty-six yearx' waiting, of the ex|ierimeDtii originally bamin in Ui« Harrtot Shaft of 

 the Dolcoath Mine in Cornwall. The preMnt experiments were made at a depth of 1,300 feet, and gave «*&<} fur th« bmbb 

 density of the earth. 



5677 [ ] Address of the Astronomer Royal to the Board of Visitor?* of the Royal Ob- 

 servatory, Greenwich, Oct. 18, 1855, and Report to the same, June 7, '56, roy. 4to. (pp. 20), 

 sewn, 2s Ll85tfj 



5678 Another Copy, with author's inscr. to the Duea di Ilignano, 2* M 



5679 On the Algebraical and Numerical Theory of Erroils of Observations, and the 



Combination of Observations, post 8vo. cl. {scarce). Is %d Cambridge, 1861 



5680 On the Corrections in the Elements of Delambre's Solar Tables reqaired by the 



Observations at Greenwich Observatory, 4to. (pp. 12), sewn, \s M 1827 



5681 Elementary Treatise on Partial Differential Ec^uations, vnth 4 plates, and 



duplicate set loose and mounted on cards, cr. 8vo. cl., 2* Qd 1860 



On Encke's Comet— y. Encke, post. 



5682 [ ] Tlie Figure of the Earth (Encyclopaedia Metropolitana), with 3 pUUet by Lowry, 4to. 



unbound, lis [1890J 



5683 (Gravitation: an elementary Explanation of the Principal Perturbfttioiif» of the Solar 



System, uost 8vo. cl., Ss 1834 



56S4 Instructions and Chart for Observations of Mars in Right Ascensioa at the 



Opposition of 1860, for obtaining the Measure of the Sun's Distance, with folding plate, Syro, (pp.9), 

 sewn, 2s 185H 



5085 Mathematical Tracts, on Physical Astronomy, the Figure of the Earth, Precemion and 



Nutation, and the Calculus of Variations, with plates, 8vo. boards, 2s 6d Cambridge, 1826 



5686 Second Edition, with plates, 8vo. A/, cl., or hf. calf gilt. As HSd %b., 18S1 



This e<lition flrst contains the valuable tract on the Undulatory Tlieory of Light 



5587 Third Edition, corrected and improved, with plates, 8vo., hf. el., 5s ib., 1842 



5688 Another Copy, calf gilt, 6s 



f689 Fourth [last] Edition, with plates, 8vo. cl. (out of print), 8* 6d ib , 1858 



6690 On a New Analyzer, and its Use in Experiments of Polarization, iu*. (pp 10), sewn, 



with author's inscr. to Dr. P. M. lioget, F.R.S. {scarce), 5» 6d d)., 1832 



5691 NU.MERICAL Lunar Theory, with folding tables, roy. 4to. d.,1sM (p. \5s nctt) 1886 



' An examination of Ltinar Theory, as teUed by the subhtitutiun of numbeni for sjrniboU, or for tlie rMUlU of long 

 and complicated operations conducted exchwiveiy by use of symboU.'— i*r|^i«. 



5692 Popular Astronomy [last revised Ed.], plates and woodeuU, 16mo. rf., 2t 1868 



5693 On a Remarkable Modification of Newton's Rings, 4to. uum, with author's in^cr. to 



Dr. P. M. Roget, F.R.S. {scarce), 5» M Cambridge, 1832 



569i [ ] Report of the Astronomer Royal to the Board of Visitors, 18J5, 67-9, 65. ^O, 



'78-9, and '81-9 vols. 4to. »<Mm, 5* , . ^ , ,r .^. .l ^^l^^ 



5695 Report on the Telescopic Observations of the Transit of Vbnus, 1874, kmM 6 platss, 



folio (pp. 33), sewn, 3* 6f/ ^ ^, ,^ . '*77 



ConUlniDK the •Detenuination of the Mean SoUrParmlUx from the ObMHTiiUoiia. 



5696 Six Lectures on Astronomy, to the Ft lends of the Ipswich Moaeiim, 2nd Ed., with 



7 folding plates, Hvo. cl., 3s 6d , . « , « T* JS5?J 



5697 FOURTH Edition [with new Preface], unth 1 folding plates, 8vo. el., 3» [e. 18W1 



5098 On Sound and Atmospheric Vibrations, with the Mathematical EietuenUot Music, 2nd 



[last] Ed., 2 plates, post 8vo. cl., uncut {out of print), 6i 1871 



5699 [ ] Trigonometry; [Lardner (Dionysius, ;>r.. f.r..s.)] Geometrical Analysis; 



[Barlow (Peter, F.R.S.)] Theory of Numbers— ir/rA 3 ^a<«(EncyclopaHlia Metro|ioliUna).4to. 



5700 PP- '' 'ff^the Undulatory Theory of Optics, new Edition, with 2 folding plates, po«t8vo. 

 cl. {out of print), with auto, of Prof . H. W. LI. Tanner, F.R.S.,5s , , s r • m 



5701 AIBY (Osmund; LL.D.) Geometrical Optics, illustrated, large 12mo. cl. [out of prtjU), 

 3s Qd ^^" 



