HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 37, PICCADILLY, W. 287 



5644 ADAMS (George [the Younger'], mathematical instrument maker to His Majesty], CATALOGUE 



of MATHEMATICAL and PHILOSOPHICAL INSTRUMENTS, made and sold by, Svo. (pp. 8), sewn 



(rare), 3? Qd 1787 



56 J 5 ESSAY on ELECTRICITY, explaining the Principles of that Useful Science, and describing 



the INSTRUMENTS, contrived to illustrate the Theory, or to render the Practice entertaining ; with 

 Letter from MR. JOHN BIRCH, Surgeon, on MEDICAL ELECTRICITY, 5th Ed., by WILLIAM JONES, 

 with 6 folding copperplates, thick Svo. boards, Qs Qd 1799 



Chiefly valuable for giving a full account and illustrations of the electrical machines then in use. At end is 'A 

 Catalogue of Optical, Mathematical, and Philosophical Instruments, made and sold by W. and S. Jones' (pp. 10). 



5646 - ESSAYS on the MICROSCOPE : a practical Description of the most Improved Microscopes, 

 General History of Insects, View of the Organization of Timber, and the Configuration of Salts 

 under the Microscope ; 2nd Edition, with considerable Additions by FREDERICK KANMACHER, 

 F.L.S., with fine allegorical mezzotint front, (water-stained), thick 4to., boards, uncut ; and Atlas, 

 containing 31 large and fine copperplates, oblong folio, old calf, newly rebacked (RARE), 1. Is 1798-87 



5647 - GEOMETRICAL and GRAPHICAL ESSAYS, containing a DESCRIPTION of the MATHEMATICAL 

 INSTRUMENTS used in Geometry, Surveying, Levelling and Perspective, with many new Problems, 

 first edition, with 33 fine folding plates on copper, thick Svo. old calf, newly rebacked (fine copy), 

 10* Qd 1791 



56 48 THIRD EDITION, corrected and enlarged by WILLIAM JONES, with So folding plates on 

 copper, Svo. hf. calf, 8s 1803 



' He wrote largely on the use of mathematical instruments, and his books on that subject were highly valued.' 



5649 _ _ PLATES to the GEOMETRICAL and GRAPHICAL ESSAYS, 2nd Edition, by WILLIAM JONES, 

 31 folding plates on copper (good impressions), Svo. old calf (joints cracked), 5s Qd 1797 



Interesting as giving minute and accurate illustrations of the scientific instruments in use at the time. At end is a 

 'Catalogue of Optical, Mathematical, and Philosophical Instruments, made and sold by W. and S. Jones' (pp. 14). 



5650 ADAMS (John Couch, F.R.S. ; discoverer of Neptune) EXPLANATION of the OBSERVED IRREG- 

 ULARITIES in the MOTION of URANUS on the Hypothesis of Disturbances caused by a more distant 

 Planet, with a Determination of the Mass, Orbit, and Position of the Disturbing Body, large Svo. 

 (pp. 31), sewn, with inscr. by W. S. Stratford, F.R.S. (very scarce), 10* Qd 1846 



This is the important paper on which is based the author's claim to the discovery of Neptune. ' It stirred wide-spread 

 excitement. A long and bitter controversy ensued. The scientific world split into 'Adamite' and 'anti-Adamite' 

 factions.' Miss A. M. Clerke. 



5651 - On the SECULAR VARIATION of the MOON'S MEAN MOTION, roy. 4to. (pp. 10), sewn, with 

 inscr. and letter to H. E. J. Howard, Dean of Lichfidd, 12s Qd 1853 



' Demonstrating the incompleteness of Laplace's explanation of the phenomenon. This was highly displeasing to 

 French geometers ; but the attacks of Plana, Hansen, and Pontecoulant left unshaken conclusions which were independently 

 verified by Delaunay, Cayley, and Sir J. W. Lubbock.' Mixs A. M. Clerke. 



Added is a very interesting AUTOGRAPH LETTER from the author (pp. 4), dated Feb. 16, 1883, to Dean Howard, on Sir 

 R. S. Ball's great tidal wave theory of the origin of the moon. 



5652 ADAMS (William Bridges) ENGLISH PLEASURE CARRIAGES : with the Construction of 

 Common Roads and Railroads, and the Public Vehicles used on them, also DESCRIPTIONS of 

 NEW INVENTIONS, with numerous plates and woodcuts, 8vo., cl., uncut (SCARCE), 17s Qd 1837 



' He was an ingenious and prolific inventor in the early days of railroads. The invention by which he is best known is 

 the fish-joint for the rails of railways, still universally used. Adams also originated many valuable improvements in rolling 

 stock, and did much to reduce the inordinate weight of the earlier locomotives. . . . Besides patents connected with 

 railways he patented improvements in carriages for common roads, in ship propulsion ', etc. etc. D. N. B. 



5653 ROADS and RAILS, and their Sequences, Physical and Moral, large post Svo. cl. t Qs 1862 



Containing much interesting historical matter in connexion with early railway engineering. 



5654 ADAMSON (William) The DISCOVERY of the UNIVERSAL PRINCIPLE of DIVIDING the CIR- 

 CUMFERENCE of the CIRCLE, or any Part of it, into a given Number of Equal Parts, by a NEW 

 INSTRUMENT called the CYCLOMETER, with plate, Svo. (pp. 44), sewn, 6s 1815 



' The discovery of the principle of the instrument arose from the idea that a circle can be truly measured by a circle 

 only.' P. 3. The work is rare, and unknown to Watt, Lowndes, or Allibone. 



5655 ADCOCK (Henry, C.E.) RULES and DATA for the STEAM ENGINE, both Stationary and Loco- 

 motive, and for Railways, Canals, and Turnpike-Roads: the most recent Construction, and the 

 Errors of Patentees from their not being acquainted with the Practical Departments of 

 Engineering, fcap. Svo. boards, 5s 1839 



5656 ADH^MAB (Joseph Alphonse) TRAITK complet d'ARiTHMETiQUE, 2 e Ed., '34: Prony 

 (Baron de) INSTRUCTION sur 1'Usage des TABLES de LOGARITHMES : Chevalier (Auguste) 

 TRAITE elementaire de MECANIQUE, 2 e Ed. ; with plates 3 vols. 24mo. in 1, calf gilt, with book- 

 plate of Joseph Gwilt, F.S.A., 5s 1834 



5657 A^JBOSTATB, DESCRIPTION de 1', del'AcADEMiE de DIJON, contenant le Detail des PROCEDES, 

 la Theorie des OPERATIONS, les Dessins des MACHINES et les Proces-Verbaux d'ExpERiENCES. 

 Le tout extrait du Compte Rendu a cette Societe par Louis BERTRAND GUYTON DE MORVEAU, 

 FRANCOIS DE CHAUSSIER, et I'ABBE BERTRAND, suivi d'un ESSAI sur 1' APPLICATION de la 

 DECOUVERTE de MM. de MONTGOLFIER, a I'EXTRACTION des EAUX des MINES ; with 4 folding 

 copperplates illustrating the construction and filling of Balloons, Svo. (pp. 232), sewn (VERY RARE), 

 2. 12s Qd Dijon, 1784 



This very rare work, which was unknown to Hatton Tumor, was mainly composed by Guyton de Morveau, the cele- 

 brated chemist and collaborator of Lavoisier, whose researches, as embodied in the above volume, caused the sanguine 

 French Government to form a ' corps d'aerostiers militaires.' 



' Guyton etait monte a plusieurs reprises avec 1'abbe Bertrand dans le ballon a gaz inflammable constrnit par les soins 

 de V Academic de Dijon. II avait fait construire, pour essay er de le diriger, une machine arinee dn quatre rames. An 

 moment du depart, im coup de vent endommagea 1'appareil et mit deux rames hors de service. Cependant, Guyton assure 

 avoir produit avec les deux rames qui restaient un eft'et sensible sur les mouvements du ballon.' Jtiogr. Gen. 



Guyton de Morveau therefore appears to be the first to suggest the dirigible balloon, and to have found the weather 

 as unsportsmanlike as it is to-day. 



A full account of this ascent is given in the above work. 



