HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 43, PICCADILLY, W. 457 



9033 HAUSEN (Christian August ; Univ. Leipzig] Novi PROFECTUS in HISTORIA ELECTRICITATIS, 

 post Obitum Auctoris ex Msto. ejus editi ; praehrissa est Commentatiuncula cle Vita et Scriptis 

 Auctoris ; with fine copperplate, 4to. sewn (rare), 12s Qd Lipsiae, 1743 



Valuable as containing a description (and illustration) of the author's electrical machine the first one made in 

 Germany consisting of a glass cylinder. It differed only slightly from Hauksbee's (v. Nos. 9023-7, ante), but was of some 

 importance in having finally displaced the glass tubes till then in general use. 



9034 HATJSER (A.) COURS de CONSTRUCTION NAVALE, professe* k 1'Ecole d' Application du Ge"nie 

 Maritime, 4to., with Atlas, containing 340 plates comprising 1771 figures, impl. 4to. 2 vols. hf. 

 roan (SCARCE), 2. 10s 1886 



9035 ATLAS OF PLATES ONLY, impl. 4to. portfolio (back damaged), 1. Is 



9036 HAUY (Rene Just, de I'lnstitut; Chanoine de Paris; F.R.S.) COMPARAISON des FORMES 

 CRIST ALLINES de la STRONTIANE CARBONATES avec celles de I'ARRAGONITE ; with plate, 4to. (pp. 

 21), sewn, 3s [1817] 



9037 Sur les CYMOPHANES des ETATS-UNIS ; with copperplate, 4to. (pp. 13), sewn, withinscr. (as 



below), 3s Qd [1812] 



' A Monsieur [Thomas] Allan [F.R.S. ], hoinmage de 1'auteur.' Inscr. on title. 



9038 MEMOIRE sur la CRISTALLISATION et sur les PROPRIETES PHYSIQUES de I'EUCLASE ; with 



plate, 4to. (pp. 19), sewn, 2s Qd [1819] 



9039 NOUVELLES OBSERVATIONS sur la FACULTE CONSERVATRICE de I'ELECTRICITE acquise 



a 1'Aide du Frottement, 4to. (pp. 7), sewn, 3s 1819 



9040 TRAITE des CARACTERES PHYSIQUES des PIERRES PRECIEUSES, pour servir a leur Determ- 

 ination lorsqu'elles ont etc taillees ; with 3 plates, 8vo. sewn, uncut (rare), 7s Qd 1817 



9041 TRAITE ELEMENTAIRE de PHYSIQUE ; 2 e Edition, considerablement augmentee ; with 



12 vlates, 2 vols. 8vo. unbound, 2s Qd 1806 



9042 - ELEMENTARY TREATISE on NATURAL PHILOSOPHY, translated, with Notes, by OLINTHUS 

 [GILBERT] GREGORY, LL.D., 24 copperplates, 2 vols. 8vo. hf. morocco gilt, uncut, with bookplate of 

 Edward Solly, F.R.S., 8s Qd 1807 



The author was the discoverer of piezo-electricity and the geometrical law of crystallisation, of which the above work 

 contains his account. 



9043 HAVILAND (James) TABLES of SPECIFIC GRAVITIES of all Substances ; Land Measuring; the 

 Old and New Weights and Measures ; etc. etc., new Edition, 8vo. hf. morocco, or, boards, 2s Qd 1846 



9044 HAWKINS (Charles C., M.I.E.E.) ARMATURE REACTION, and the THEORY of COMMUTATION, 

 with 28 illustrations, 8vo. sewn, 2s n. d. 



9045 The THEORY of COMMUTATION, with 24 diagrams and 13 tables, 8vo. sewn, 2s [c. 1900] 



9046 , and Frank WALLIS : The DYNAMO : its Theory, Design, and Manufacture, with 



5 folding plates, and 185 other illustrations, thick cr. 8vo. cl., 3s (p. 10s 60?) 1893 



9047 HAWNEY (William) The COMPLETE MEASURER : or the Whole Art of Measuring, the I. Part 

 teaching DECIMAL ARITHMETIC, with the Extraction of the Square and Cube Roots, etc. etc., and 

 the II. Part to measure all Sorts of Superficies and Solids, by Decimals, Cross-Multiplication, and 

 Scale and Compasses ; 4th Edition, with Appendix of Gauging and Land -Measuring, with numer- 

 ous woodcuts, 12mo. old calf (browned and binding broken), Is Qd [c. 1730] 



9048 FIFTH EDITION, with Appendix of Gauging and Land-Measuring, with numerous 



woodcuts, 12mo. old hf. calf, 8s Qd 1743 



9049 NINTH EDITION [unchanged] , with woodcuts, 12mo. old sheep, 8s Qd 1755 



9050 FOURTEENTH EDITION, with woodcuts, 12mo. old sheep, Qs Qd 1775 



' A full treatise on decimal arithmetic.' Prof, de Morgan, who did not know any of the above editions. 



The work was recommended by Dr. John Harris, F.R.S., and was quite unknown to Lowudes, Allibone, or Watt. 



9051 HAY (David Ramsay, house-painter; F.R.S.E.) The LAWS of HARMONIOUS COLOURING, 

 adapted to Interior Decorations, Manufactures, etc., 3rd Edition, with 5 coloured plates, 8vo. cl., 

 uncut, 5s Edin., 1836 



9052 NOMENCLATURE of COLOURS, applicable to the Arts and Natural Sciences, to Manufac- 

 tures, etc., 2nd Edition, improved, with 40 coloured plates by Lizars, containing 240 different 

 colours, 8vo. cl. (scarce), 10s Qd ib., 1846 



9053 PROPORTION, or the GEOMETRIC PRINCIPLE of BEAUTY, ANALYSED, with n plates, and 



41 diagrams, roy. 4to. cl. (foxed and cover damaged), 7s Qd ib., 1843 



David Ramsay Hay was far more than a ' house-painter,' for he developed into the chief internal decorator of his day, 

 and a man of much culture. It was he who decorated Abbotsford for Sir Walter Scott, and his work may be seen in 

 London in the Great Hall of the Society of Arts. 



9054 HAY (John) CALCULATIONS introductory to a NEW THEORY of the EARTH, showing, by- 

 Principles entirely original, that the SACRED ACCOUNT of CREATION is in HARMONY with 

 NATURAL RESULTS, etc., etc., with 10 plates (2 folding), 4to. (pp. 10), sewn (scarce), 10s Qd 



apud auctorem, Edin., 1824 



A geological paradox, attempting to explain the shape of the earth, its stratification, the formation of mountains and 

 the ocean, the origin of rivers, volcanoes, etc. etc. 



9055 HAYDEN (Ferdinand Vandeveer; M.D., Univ. Penna.) GEOLOGICAL REPORT of the 

 EXPLORATION of the YELLOWSTONE and MISSOURI RIVERS, with folding coloured map, 8vo. sewn, 

 with inscr. to Prof. Hilary Bauerman (scarce), 5s Qd Washington, 1869 



9056 [ ] ILLUSTRATIONS of CRETACEOUS and TERTIARY PLANTS of the WESTERN TERRITORIES 

 of the UNITED STATES, 26 plates, 4to. cl. (ONLY 500 COPIES PRINTED), 15s ib., 187$ 



9057 HAYN (Friedrich) BAHN-BESTIMMUNG des COMETEN 1862 III.: Inaugural-Dissertation, 

 4to. (pp. 56), sewn, 2s Leipzig, 1889 



9058 HAZLEHURST (J. N.) TOWERS and TANKS for WATER- WORKS : the Theory and Practice of 

 their Design and Construction, with 2 plates, and 19 woodcuts, 8vo. cl., 4s Qd (p. 10s Qd nett) 



New York, 1901 



