HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 37, PICCADILLY, W. 279 



5472 WOLPERT (Adolf, Niirnberff, und Heinrich, Berlin) PHYSIKALISCH-CHEMISCHE Propredeutik, 

 mit besonderer Beriicksichtigung der VENTILATION und HEIZUNG ; with 188 illustrations, 8vo. 

 buckram, with auto, of Dr. A. Macfadyen, 8s (p. M. 12 sewn) Leipzig, 1896 



5473 WOLSTENHOLME (Joseph, Cooper's Hill) EXAMPLES for PRACTICE in the Use of SEVEN- 

 FIGURE LOGARITHMS, 8vo. cl, 2s 6d (p. 5s) 1888 



5474. MATHEMATICAL PROBLEMS on the First and Second Divisions of the Schedule of Subjects 



for the Cambridge Mathematical Tripos Examination, 2nd Ed., greatly enlarged, 8vo. cl., 6s 

 (p. 185) 1878 



5475 ANOTHER COPY, sewn, 4s 6d 



5476 THIRD [LAST] EDITION, revised and corrected, 8vo. cl., 10s Qd (p. 18s) 1891 



' His fame rests chiefly on the wonderful series of original mathematical problems which he constructed upon practically 

 all the subjects that entered into the course of training of students . . . They form a curious and almost unique monument 

 of ability and industry.' 4. R. Forsyth, F.R.S. 



5477 WOOD (De Volson, C.E.) The ELEMENTS of ANALYTICAL MECHANICS: Solids and Fluids, 4th 

 Ed., enlarged, illustrated, 8vo. cl., 5s (p. 12s Qd nett) New York, 1884 



5478 THEORY of TURBINES, with woodcuts, 8vo. cl., interleaved, 3s ib., 1895 



5479 _ TREATISE on the RESISTANCE of MATERIALS, and Appendix on the Preservation of 

 Timber, illustrated, 8vo. hf. calf, 2s 6d ib., 1871 



5480 WOOD (Edward J.) CURIOSITIES of CLOCKS and WATCHES, from the earliest Times, with front, 

 and vignette on wood, thick large post 8vo. cL, uncut (scarce), 10s Qd 1866 



One of the most interesting histories of horology. 



5181 WOOD (Nicholas, F.G.S.) EXPERIMENTS on the RELATIVE VALUE of the FURNACE and the 

 STEAM JET, in the VENTILATION of COAL MINES, with 11 plates and tables, roy. 8vo. sewn, with 

 author's inscr. to Prof. T. S. Traill, 5s Newcastle- on-Tyne, 1853 



5432 - PRACTICAL TREATISE on RAIL-ROADS, and Interior Communication in General, con- 

 taining numerous EXPERIMENTS on the Powers of the IMPROVED LOCOMOTIVE ENGINES, and 

 Tables of the comparative Cost of Conveyance on Canals, Railways, and Turnpike Roads, 3rd 

 [LAST] ED., enlarged, with 14 folding plates by Adlard, besides woodcuts, thick 8vo. cl. (SCARCE), 

 with auto, letter from the author to Prof. T. S. Traill, 17s Qd 1838 



Valuable for the early history of railway engineering, and especially of locomotive engines. There are chapters ' On the 

 Construction of Carriages adapted to Railroads', 'On the Friction and Resistance of Carriages on Railroads', 'The 

 Construction of the Great Western Railway', etc. etc. 



The author was president of the North of England Institute of Mining Engineers, but is not noticed in D. N. B. 



TRICK-PHOTOGRAPHY : 



5483 WOODBURY (Walter E.) PHOTOGRAPHIC AMUSEMENTS : a Number of Novel Effects 

 obtainable with the Camera, 104 illustrations, large 8vo. sewn, 2s (p. 5s) New York, 1896 



Including the ' spirit-photcgraphs ' which will continue to have their dupes to the end of time. 



5484 W[OODFORDJ (T[homas] , F.R.S.) TREATISE containing the DESCRIPTION and USE of a NEW 

 and CURIOUS QUADRANT, made and finished by ... JOHN ROWLEY ; for Taking of Altitudes, 

 and for Solving various Mathematical Problems in Geometry, Navigation, Astronomy, etc., with 

 Alphabetical Exposition of the Necessary Terms, with 2 plates (one folding showing the Quadrant), 

 and diagrams, 4to. contemporary mottled calf extra (fine copy)', rare, 12s 6d 1756 



Unknown to Lowndes or Allibone! 



5485 WOODHOUSE (Robert, Fellow of Caius ; F.R.S.) ELEMENTARY TREATISE on ASTRONOMY, 

 with diagrams, 8vo. calf, or, hf. calf gilt, 3s Cambridge, 1812 



5486 The PRINCIPLES of ANALYTICAL CALCULATION, with diagrams, 4to. sewn (scarce), 10s 6d 



ibidem, 1803 



5487 ANOTHER COPY, hf. calf, with Sandhurst College bookplate, 12s 



' In this he explained the differential notation and strongly pressed the employment of it, but he severely criticized the 

 methods used by Continental writers, and their constant assumption of non-evident principles.' W. W. R. Sail. 

 The work is important as having been the first to advocate for use in England the Continental differential notation. 



5488 On the INDEPENDENCE of the ANALYTICAL and GEOMETRICAL METHODS of INVEST- 

 IGATION, and on the Advantages to be derived from their Separation, 4to. (pp. 41), sewn, 5s 1802 



5489 TREATISE on ASTRONOMY, Theoretical and Practical, new Ed., with numerous diagrams, 



2 vols. 8vo. in 3, hf. calf gilt, or, hf. morocco gilt, 10s 6d Cambridge, 1821-3-18 



The second volume, entitled 'Physical Astronomy', treats exclusively of the theory of gravitation. 



5190 VOLUME I (THEORETICAL ASTRONOMY) ONLY, diagrams, 2 vols. 8vo. hf. calf, 5s 



ibidem, 1821-3 



'In this treatise he endeavoured to lay before the student the results of Continental research since the time of 

 Newton '. D. N. B. 



5491 TREATISE on ISOPERIMETRICAL PROBLEMS, and the CALCULUS of VARIATIONS, diagrams, 



8vo. hf. calf (VERY SCARCE), 18s 6d ibidem, 1810 



'This work details the history of the calculus of variations from its origin until the close of the XVIII. Century, and 

 has obtained a high reputation for accuracy and clearness.' /. Todhunler, F.R.S. 



5492 _ TREATISE on PLANE and SPHERICAL TRIGONOMETRY, 2nd Ed., enlarged, diagrams, 

 8vo. boards, uncut, 4s ib., 1813 



5493 FOURTH EDITION, enlarged, with diagrams, 8vo. boards, uncut, 5s ib., 1822 



'A work which more than any other contributed to revolutionise the mathematical studies of this country.' Deo n 



Peacock, F.R.S. 



5494 WOODS (Hugh, M.D.) ^ETHER : a Theory of its Nature and Place in the Universe, 8vo. cl., 

 2s Qd (p. 4s 6rf) [1906] 



5495 [WOODWARD (A. E. B.)] SYSTEM of UNIVERSAL SCIENCE, with 2 tables showing a new 

 classification of the sciences, 4to. boards, with auto, of Prof. A. W. Williamson, F.R.S., 5s 



Philadelphia, 1816 



