10 WEALE'S RUDIMENTARY SERIES. 



ARITHMETIC, GEOMETRY, MATHEMATICS, 



ETC. 



32. MATHEMATICAL INSTRUMENTS, a Treatise on; in which 

 their Construction and the Methods of Testing 1 , Adjusting, and Using them 

 are concisely Explained. By J. F. HEATHER, M.A., of the Royal Military 

 Academy, Woolwich. Original Edition, in i vol., Illustrated, is. 6d. 

 \* In ordering the above, be careful to say, " Original Edition " (No. 32), to distin- 

 &tish it from the Enlarged Edition in 3 vols. (Nos. 168-9-70.) 



60. LAND AND ENGINEERING SURVEYING, a Treatise on; 

 with all the Modern Improvements. Arranged for the Use of Schools and 

 Private Students ; also for Practical Land Surveyors and Engineers. By 

 T. BAKER, C.E. New Edition, revised by EDWARD NUGENT, C.E. Illus- 

 trated with Plates and Diagrams, as.t 



61*. READY RECKONER FOR THE ADMEASUREMENT OF 

 LAND. By ABRAHAM ARMAN, Schoolmaster, Thurleigh, Beds. To which 

 is added a Table, showing the Price of Work, from 2s. 6d. toi per acre, and 

 Tables for the Valuation of Land, from is. to i,oooper acre, and from one 

 pole to two thousand acres in extent, &c., &c. is. 6d. 



76. DESCRIPTIVE GEOMETRY, an Elementary Treatise on; 

 with a Theory of Shadows and of Perspective, extracted from the French of 

 G. MONGE. To which is added, a description of the Principles and Practice 

 of Isometrical Projection ; the whole being intended as an introduction to the 

 Application of Descriptive Geometry to various branches of the Arts. By 

 J. F. HEATHER, M.A. Illustrated with 14 Plates, as. 



178. PRACTICAL PLANE GEOMETRY: giving the Simplest 



Modes of Constructing Figures contained in one Plane and Geometrical Con- 

 struction of the Ground. By J. F. HEATHKR, M.A. With 215 Woodcuts. 2s. 



179. PROJECTION : Orthographic, Topographic, and Perspective: 



giving the various Modes of Delineating Solid Forms by Constructions on a 

 Single Plane Surface. By J. F. HEATHER, M.A. [/ preparation. 



%* The above three volumes ivillform a COMPLETE ELEMENTARY COURSE F 

 MATHEMATICAL DRAWING. 



83. COMMERCIAL BOOK-KEEPING. With Commercial Phrases 



and Forms in English, French, Italian, and German. By JAMES HADDON, 

 M.A., Arithmetical Master of King's College School, London, is. 6d. 



84. ARITHMETIC, a Rudimentary Treatise on : with full Explana- 



tions of its Theoretical Principles, and numerous Examples for Practice. For 

 the Use of Schools and for Self-Instruction. By J. R. YOUNG, late Professor 

 of Mathematics in Belfast College. New Edition, with Indext is. 6d. 



84*. A KEY to the above, containing Solutions in full to the Exercises, together 

 with Comments, Explanations, and Improved Processes, for the Use of 

 Teachers and Unassisted Learners. By J. R. YOUNG, is. 6d. 



85. EQUATIONAL ARITHMETIC, applied to Questions of Interest, 

 gc*. Annuities, Life Assurance, and General Commerce; with various Tables by 



which all Calculations may be greatly facilitated. By W. HIPSLEY. zs. 



86. ALGEBRA, the Elements of. By JAMES HADDON, M.A., 



Second Mathematical Master of King's College School. With Appendix, 

 containing miscellaneous Investigations, and a Collection of Problems in 

 various parts of Algebra. 2s. 



86*. A KEY AND COMPANION to the above Book, forming an extensive repository of 

 Solved Examples and Problems in Illustration of the various Expedients 

 necessary in Algebraical Operations. Especially adapted for Self-Instruc- 

 tion. By J. R. YOUNG, is. 6d. 

 88. EUCLID, THE ELEMENTS OF : with many additional Propositions 



80 and Explanatory Notes : to which is prefixed, an Introductory Essay on 

 ' Logic. By HENRY LAW, C.E. 2s. 6d4 



*** Sold also separately, viz. : " 



88. EUCLID, The First Three Books. By HENRY LAW, C.E. is. 6d. 



89. EUCLID, Books 4, 5, 6, 11, 12. By HENRY LAW, C.E. is. 6d. 



The indicates that these vols. may be had strongly bound at 6d. extra. 

 LONDON : CROSBY LOCK WOOD AND CO., 



