HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 37, PICCADILLY, W. 3?5 



7329 DODSON (James, F.R.S.) The ANTI-LOGARITHMIC CANON : a Table of Numbers of 11 Places of 

 Figures, corresponding to all Logarithms under 100,000, with INTRODUCTION on LOGARITHMS, the 

 Improvements, since their Invention, in the Manner of Constructing them, folio, old rough calf 

 (VERY RARE), 1. 10s apud auctorem, 1742 



'The only considerable work of this kind published . . . A. very great performance.' Hutton. 'His most important 

 work . . . This was unique until 1849. The canon had been actually calculated, it is asserted, by Walter Warner and John 

 Pell, about 1030-40.' D. N. B. 



7330 - The CALCULATOR : being Correct and Necessary Tables for Computation, adapted to 

 Science, Business, and Pleasure, roy. 8vo. old calf (newly rebacked], 8s Gd 1747 



7331 - A LARGE PAPER COPY, impl. 8vo. contemporary C//(FINE COPY), 15s 



7332 - The MATHEMATICAL REPOSITORY, containing ANALYTICAL and ALGEBRAICAL SOLUTIONS 

 of a great Number of Problems and Questions, mostly selected from Scarce and Valuable Authors, 

 3 vols. 12mo. old calf, 15s 1748-55 



The third volume mainly contains problems on annuities (which according to Mr. W. W. R. Ball he founded as a 

 branch of mathematics), insurances, leases on lives, etc., ' in which it has been endeavoured to exhaust the subject '. 



The author was Master of the Mathematical School of Christ's Hospital, and, with Edward Rowc Mores, one of the 

 Founders of the EQUITABLE LIFE ASSURANCE SOCIETY, for which he compiled many of its tables. He was also the great- 

 grandfather of AUGUSTUS DE MORGAN. 



7333 DOLLOND (John, F.R.S. ; inventor of the Achromatic Telescope] : De EMENDATIONS TELE- 

 SCOPIORUM DioPTRicoRUM per VITRUM OBJECTivuM COMPOSITUM, recens a DOLLONDO in 

 Anglia inventa, Dissertatio conscripta a CAROLO SCHERFFER, s.J. ; with plate, sm. 4to. (pp. 17), 

 sewn (rare), 10s Qd Vienna, 1762 



7334 _ t LIFE of, with copious APPENDIX of all the PAPERS referred to, by JOHN KELLY, pr., 

 Translator of the Bible into Manks Gaelic, 3rd Edition, with Additions, with engraving on copper, 

 and diagrams, 4to. hf. calf (VERY SCARCE), 1. 10s privately printed, 1808 



' Henry Perigal Esq. with G[EORGE] DOLLOND'S [F.R.S.] kind regards.' Inscr. on flyleaf . 



' The only authentic account of his life was written by the husband of one of his grand-daughters, Dr. John Kelly, 

 rector of Copford, Essex'. D. N. J3. It contains reprints of eleven papers, etc., chiefly by John Dollond, as contributed 

 to the Philosophical Transactions, etc. 



7335 BONN (Benjamin; Master of Mathematics to George III.) MATHEMATICAL ESSAYS: a New 

 Introduction to the Mathematics : Essays on VULGAR and DECIMAL ARITHMETIC, with Preface 

 on the Usefulness of Mathematical Learning; 2nd Ed., with Arithmetical Questions and 

 Answers: The SCHOOLMASTER'S REPOSITORY (SUPPLEMENT) 2 vols. 8vo. in 1, hf. bound (some 

 II. stained), 8s Qd Bristol, 1769 London, '64 



4 His Mathematical Essays had a favourable reception, and procured him the office of keeper of the library at Bristol.' 

 Dr. Hutton, F.R.S. 



' Donn had a good deal of miscellaneous information '. Prof, de Morgan. 



7336 DONOVAN (Michael) BREWING, DISTILLING, WINE-MAKING, BAKING, etc., with vignette 

 by Finden after Corbould, 12mo. hf. calf gilt, with bookplate of Henry B. H. Beaufoy, F.R.S., 



7337 DOPPELMAYER (Johann Gabriel; F.R.S.) ATLAS Novus CCELESTIS, in quo Muridus 

 Spectabilis, et in eodem tarn Errantium quam Inerrantium Stellarum Phenomena Notabilia . . . 

 secundum NIC. COPERNICI et ex parte TYCHONIS BRAHE Hypothesin . . . e celeberrimorum 

 Astronornorum Observationibus graphice descripta exhibentur ; finely engraved title, and 30 

 COLOURED FOLDING MAPS ; impl. folio, old hf. calf (binding damaged) ; VERY RARE, 1. 7s Qd 



Norimbergw, 1742 



7338 - - ANOTHER COPY, contemporary boards (printed title missing, but a sound copy), 1. 5s 



A splendidly executed and still valued work, which has now become very rare. 



7339 DOBION (C. J.) EXPLOITATION des MINES ; with numerous woodcuts, roy. 8vo. (pp. 667), hf. 

 cl., with author's auto., 10s (p. F. 25 nett unbound) 1893 



7340 DOUGLAS (Gen. Sir Howard, F.R.S.) On NAVAL WARFARE with STEAM, ivith 27 diagrams^ 

 8vo. cl., 4s 1858 



Dedicated to the Prince Consort, and one of the first, if not the first, professional treatises on Steam in sea-fights. 

 Though a soldier he was an accomplished seaman, having lirst learnt the art as a cadet at the R.M.A., Woohvich, whence 

 he used to work his passage to the North in his holidays on the Lcith and Berwick smacks. 



7341 - OBSERVATIONS on MODERN SYSTEMS of FORTIFICATION, including that proposed by 

 M. CARNOT, and a Comparison of the Polygonal with the Bastion System; also Keflections on 

 Intrenched Positions, and Tract on the Naval, Littoral, and Internal DEFENCE of ENGLAND, 

 with folding plate, numerous woodcuts, and 4 fs. letters, 8vo. cl., with author's inscr. as below, 

 8s Qd 1859 



'To the Rev. G. R. GLEIG [Chaplain-General of the Forces ; biographer of Warren Hastings, Clive, and Wellington] from 

 his faithful and affectionate friend the author.' Inscr. on flyleaf . 



7342 -- TREATISE on NAVAL GUNNERY, first edition, with 5 folding plates, 8vo. calf gilt 

 (rubbed), 5s 1820 



' One of the earliest works on the subject and of considerable historical interest. It caused the establishment of the 

 gunnery -ship Excellent and other improvements.' D. N. B. 



7343 - THIRD EDITION [greatly enlarged], with plates and numerous woodcuts, thick 8vo. 

 cl., 5s 1851 



This edition contains interesting accounts of the new breech-loading guns and rifles. 



7344 - FIFTH [LAST] EDITION [enlarged and partly re-written], with 5 plates and 86 woodcuts, 

 thick 8vo. brown calf gilt, by Riviere (out of print), with inscr. and auto, letter from the author to 

 Mr. Henry Reeve, C.B., and the latter' s bookplate, 16s Qd I860 



'The work of_Sir Howard Douglas has not only stood its ground for thirty years and more but (harder task) has 



operated on the Admiralty.' Spectator. 



' Douglas's works, although little read when they first appeared, 

 all over the world, as works of authority on the subjects of which 



;ired, have been accepted in the end, not in England only, but 

 they severally treat.' D. N. L'. 



