156 HENRY SOTHERAN & CO., 140, STRAND, W.C, and 37, PICCADILLY, W. 



3126 MOXON (Joseph, f.r.s.) Mechanick Exercises, or the Doctrine of Handy-Works, 

 first edition, xcith portraits of Guttenberg and Laurens Koster, and 51 other fine copper- 

 plates, 2 vols. cr. 4to. contemporary calf (2 plates mended, and the corners of a few II. 

 slightly stained, hut a very fine and tall copy), very rare, with bookplate of Philip 

 2nd Earl Stanhope, F.R.S. , £13. 13^ apud auctorem, 1677-83 



3127 Another Copy, wanting title of no. 7 and plate 7 of v. I, and title, dedication, 



pp. 1-128, and plates 1-18, 20 and 33 of v. II; also a few plates at end waterstained, 

 2 vols. sm. 4to. in 1, hf. green morocco, uncut, t. e. g., £3. 10s 



A very rare work, vol. I comprising Smithing, Tool-Making, Joinery, Carpentry, and Turning, while vol. II (pp. 304, 

 with 35 plates) is devoted wholly to the Art of Printing. 



' He was the first of English letter-cutt«rs who reduced to rule the art which before him had been practised but by 

 guess ; by nice and accurate divisions he adjusted the size, situation, and form of the several parts and members of lettei's 

 and the proportion which every jiart bore to the whole '. — Timperley' s Dictionary of Printers and Printing, 



3128 Second Edition, with Additions, 17 plates, cr. 4to. contemporarg calf {slightly wormed 



and water-stained, otherwise a sound copy), 15* a. e., 1693[-4] 



Neither this nor the third edition includes the portion on the Art of Printing, which was issued only with the first edition. 



3129 Third Edition, to which is added Mechanick Dyalling : shewing how to draw a true 



Sun-Dyal on any given Plane, however Scituated ; only with the help of a straight Ruler and a pair 

 of Compasses, and without any Arithmetical Calculation, with numerous copperplates, 8vo. oUl 

 panelled calf {back slightly damaged), 18s Qd 1703 



Besides Dialling, this edition contains a chapter on Bricklaying. 



' His principal work, and an interesting exposition of ' handy-works '.' — D. N. B. 



3130 Practical Perspective ; or Perspective made easie. Teaching hy the Opticks, Catop- 



tricks, and Dioptircks \_sic'], with 42 large copperplates, folio, old calf (rare), with bookplate of 

 Philip 2nd Earl Stanhope, F.R.S., £1. lOs apud auctorem, 1670 



According to the author this was the first English work on the subject. 



3131 A Large Paper Copy, folio, sewn, uncut (blank top margin of title and dedication 



defective), £2. 2s 



Mechanick Powers (1696)— v. Mandey (V.), ante. 



3132 MUDD (James) The Collodio-Albumen Process, Hints on Composition, and other Photo- 

 graphic Papers, cr. 8vo. cl., 2s Qd 1866 



3133 MCJDGE (Thomas), Description of the Time-Keeper invented by, with a Narrative hy 

 Thomas Mudge, his Son, of Measures taken to give Effect to the Invention since the RewarI) 

 bestowed upon it by the House of Commons, 1793 ; a Republication of a Tract on the Improvement 

 of Time-Keepers, and Letters written to him by Count Brulil [sic], 1773-87, with fine portrait by 

 Schiavonetti after Dance, and 9 folding plates, 4to. contemporary tree-calf gilt (rare), 

 £1.105 1799 



A full account of the author's chronometer— an improvement on Harrison's— for which he received a parliamentary grant 

 of £-2500. Mudge was the inventor of the lever escapement, and made Dr. Johnson his first watch in 1768. One of his 

 watches is still preserved in going order in the Soane Museum. 



Bound up with the above is :— Explanation of Timk-Keepebs, constructed by Thomas Earnsh\w and John Arnold, 

 published by Order of the Commissioners of Longitude, with 6 folding plates on copper, 4to. 1806, containing their invention 

 of the expansion balance, the cylindrical balance spring, and the detached detent escapement. They were the first to pro- 

 duce low-priced chronometers, and Arnold was the first to introduce the term ' chronometer '. 



3134 MUDGE (Maj.-Gen. William, f.r.s.), Isaac DALBY, and Major-Gen. Thomas Fred- 

 erick COLBY, F.R.S. : Account of the Operations for accomplishing a Trigonometrical 

 Survey of England and Walks, from its beginning in 1784 to 1809, ivtth ^^ folding plates and 

 maps on copper, 3 vols. 4to. hf. russia gilt {nice copy), Vis Qd 1799-1801-11 



3135 Another Copy, 3 vols. hf. calf, \\s 



3136 Vols. I and II only, 1784-99, with 29 plates, 2 vols. 4to. hf. russia gilt {back of v. II 



slightly damaged). Is ' 1799-1801 



A continuation of General Roy's survey, which only included Kent, and the first ordnance survey of England and 

 Wales. It also includes the measurement of an arc of the meridian between Dunnose Point, Isle of Wight, and a station 

 near the mouth of the Tees. Its protagonist was the 'Lieutenant Colonel Mudge, The Tower', whose old-world legeml 

 we have so often noticed at the base of the finely-engraved first issue of the Ordnance Maps. 



3137 MUGDAN (Martin) Argon und Helium : zwei neue gasformige Elemente ; with 10 woodcuts, 

 roy. 8vo. sewn, \s Stuttgart, 189G 



3138 MTJIR (Matthew MoncriefF Pattison, Caius Coll., Cantab.) Treatise on the Principles of 

 Chemistry, 8vo. cl., 5s (p. \5s) University Press, Cambridge, 1884 



3139 , and David Muir WILSON: The Elements of Thermal Chemistry, with woodcuts, 



8vo. cl., 5c (p. \2s M) 1885 



3140 MUKHOPADHYAY (Asutosh, Vniv. Calcutta) Elementary Treatise on the Geometry 

 of CONICS, numerous diagrams, cr. 8vo. cl., 2s Qd (p. 4* 6c?) 1893 



3141 MXJLCAHY (John, Queen's Coll., Galway) Principles of Modern Geometry, with Appendix 

 of Questions, 8vo. cl., ^s Qd Dublin, 1852 



3142 MULDER (Gerard Jan) Chemische Untersuchungen [liber die Galle, Protein, Behenol 

 und AMORPHES Chinin], unter des Verfassers Mitwirkung iibersetzt von A. Volcker, 2 parts 8vo. 

 sewn {scarce), Qs Qd Frankfurt a. M., 1847 



Containing the author's important investigations on proteids. The preface alludes to Liebig, and gravely reflects on his 

 character : '. . . so sehr wiinsche ich, dass diese Untersuchungen nicht in die Hiinde des Mannes gelangen mochten, der 

 statt Wahrheitssinn grobe Selbstsucht, statt Wissenschaft Gewinnsucht niihrt, dessen Bestreben Yernichtung und Rache 

 erfiillt'. 



