HENRY SOTHERAN & CO., 140, STRAND, W.C, aKd 37, PICCADILLY, W. 373 



7329 pODSON (James, f.r.s.) The Anti-Logarithmic Canon : a Table of Numbers of 11 Places of 

 Figures, corre.spondino: 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. lOs apud auctorchi, 1742 



'The only considerable work of tins kind published ... A very great performance.' — HiUtoii. 'His most important 

 Wink . . . This was unique until 1S49. The canon had been actually calculated, it is asserted, by Walter Warner and John 

 Pell, about lt)30-40.'— D. .V. B. 



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



Science, Business, and Pleasure, roy. 8vo. old calf [newly rehacked), 8s Qd 1747 



7331 A Large Paper Copy, impl. 8vo. contemporanj ca^/ (fine copy), 155 



7332 The M.vthematical 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 \5s 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 Ei^uitahle Likk Assurance Society, for wliich he compiled many of its tables. He was also the great- 

 grandfather of Au({USTrs DE Morgan. 



7333 DOLLOND (John, f.r.s.; inventor of the Achromatic Telescope): De Emendatione Tele- 

 scopiorum Dioptkicorum per Vitrum Objectivum Compositum, recens a Dollondo in 

 Anglia inventa, Dissertatio conscripta a Carolo Scherffer, s.J. ; with plate, &m.Aio. (pp. 17), 

 seivn {rare), \0s Qd Vienna', 1762 



7334 , 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, \cith engraving on copper, 

 and diagrams, 4to. hf calf (very scarce), £1, 10* privately printed, 1808 



• Henry Pcrigal Esq. with G[eor(;e] Dollond's [f.r.s.] kind regards.'— J»wcr. onfli/leaf. 



• 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. li. It contains reprints of eleven papers, etc., chiefly by John Dollond, as contributeil 

 to the Philosophical Transactions, etc. 



7335 DONN (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), Ss Qd Bristol, ll69— London, '64 



' His Mi'thematical Exsays had a favourable reception, and procured him the ofiice of keeper of the library at Bristol.' — 

 Dr. Hutton, F.R.S. 



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



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., 

 4s 1830 



7337 DOPPELMAYER (Johann Gabriel; f.r.s.) Atlas Novus Ccelestis, in quo Mundus 

 Spectabilis, et in eodem tani Errantium quam Inerrantiura Stellarum Phoenomena Notabilia . . . 

 secundum NiC. COPERNICI et ex parte Tychonis Brahe Hypothesin . . . e celeberrimorum 

 Astronomorum Observationibus ^raphice descripta exhibentur ; finely engraved title, and 30 

 coloured folding maps ; impl. folio, old hf. calf {binding damaged) ; VERY RARE, Hl.lsQd 



Norimbergw, 1742 



7338 Another Copy, contemporary boards {printed title missing, but a sound copy), £1. 5* 



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



7339 DOB.ION (C. J.) Exploitation des Mines ; vnth numerous ivoodcuts, roy. 8vo. (pp. 667), hf 

 cL, with author's auto., \0s (p. F. 25 nett unbound) 1893 



7340 DOUGLAS (Gen. Sir Howard, f.r.s.) On Naval Warfare with Steam, with 27 diagrams^ 

 8vo. cl., 4* 1858 



Dedicated to the Prince Cun.surt, and one of the first, if not the first, professional treatises on .Steam in sea-lighta. 

 Though a soldier he was an accomplished seaman, liaving first learnt the art as a cadet at the K.M.A., Woolwich, whence 

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



7341 Obs?:rvatioxs on Modern Systems of Fortification, includin;^ that projjo.sed by 



M. Carnot, and a Compari.son of the Polygonal with the Bastion System; also Picllections on 

 Intrenched Positions, and Tract on the Naval, Littoral, and Internal Defence of England, 

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

 85 Orf 1859 



'To the Rev. G. R. Gleiu [Chaplain-Goneral of the Forces ; biograplier of Warren Hastings, Clivo, and Wellington] from 

 liis faithful and affectionate friend the author.' — Inscr. on flykof. 



7342 Treatise on Naval Gunnery, first edition, with 6 folding plates, 8vo. calf gilt 



{rubbed), &s y j if f ^^^q 



• 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.'— Z>. N. B. 



7343 Third Edition [greatly enlarged], with plates and nuinerous 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 aido. letter froin the author to 

 Mr. Henry Reeve, C.B., and the latter's bookplate, \6s 6d I860 



' The work of Sir Howard Douglas lias not only stood its grotind for thirty years and more but (harder task) has 

 operated on the Admir&hy. '—SjKctotor. 



' Dougla.s's works, although little read when they first appeared, have l)een accepted in the end, not in England only, but 

 all over the world, as works of authority on the subjects of which they severally treat.'— 1>. N. B. 



