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^.nal catalogue. -^... x.oOK OF PRACTICAL LOGARITHMS AND TRIGONOMETRY. By J. II. Palmer, Head School- master R.N., H. M.S. Cawi^Wr/j,'-,?, Devon port. Globe 8 vo. 4.f. 6(f. Parkinson.— AN elementary treatise on me- CIIANICS. For the Use of the Junior Classes at the University and the Higher Classes in Schools. By S. Parkinson, D.D., F.R. S., Tutor and Fralector of St. John's College, Cambridge. With a Collection of Examples. Sixth Edition, revised. Crown 8vo. 9^. 6(/. Pirie. — LESSONS ON RIGID DYNAMICS. By the Rev. G. PiRiE, M.A., late Fellow and Tutor of Queen's College, Cam- bridge; Professor of Mathematics in the University of Aberdeen. Crown 8vo. 6s. Puckle. — AN ELEMENTARY TREATISE ON CONIC SEC- TIONS AND ALGEBRAIC GEOMETRY. With Numerous Examples and Hints for their Solution ; especially designed for the Use of I'eginners. By G. H. Puckle, M.A. Fifth Edition, revised and enlarged. Crown 8vo. "js. 6ii. Reuleaux. — the kinematics of machinery. Out- lines of a Theory of Machines. By Professor F. Reuleaux Translated and Edited by Professor A. B. W. KexVNEDY, F.R.S. C.E. With 450 Illustrations. Medium 8vo. 21s. Rice and Johnson DIFFERENTIAL CALCULUS, an Elementary Treatise on the ; Founded on the Method of Rates or Fluxions. By John Minot Rice, Professor of Mathematics in the United States Navy, and WiLLiAM WoOLSEY Johnson, Pro- fesror of Mathematics at the United States Naval Academy, Third Edition, Revised and Corrected. Demy 8vo. iSs. Abridged Edition, gs. Robinson. — TREATISE ON MARINE SURVEYING. Pre- pared for the use of younger Naval Officers. With Questions for Examinations and Exercises principally from the Papers of the Royal Naval College. With the results. By Rev. John L. RoiUNSON, Chaplain and Instructor in the Royal Naval College, Grcen^^ich. ^^'^th Illustrations. Crown 8vo. Js. 6>/. Contents. — Symbols used in Charts and Surveying — The Construction and Use of Scales — Laying ofT Angles — Fixing Positions by Angles — Charts and Chart- Drawing — Instruments and Observing — Base Lines — Triangiilation — Levelling— Titles and Tidal Observations — Soundings — Chroni^neters — Meridi.an Distances — Method of Plotting a Survey — Miscellaneous Exercises — Index. Rputh. — Works by Edward John Routh, D.Sc, LL.D., '■ F.R.S., Fellow of the University of London, Hon. Fellow of St. Peter's College, Cambridge. A TREATISE ON THE DYNAMICS OF THE SYSTEM OF RIGID P>ODIES. With numerous Ex.imples. Fourth and enlarged lulition. Two Vols. 8vo. Vol. I. — Elementary Parts. 14X. Vol. II. — The Advanced Parts. 14.?. STAIIILITV OK A GIVEN STATE OF MOTION, PAR- TICULARI.Y STEADY MOTION. Adams' Prize Essay for 1S77. Svo; Ss. (>d.