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32. MATHEMATICAL INSTRUMENTS, a Treatise on; Their Construction, Adjustment, Testing, and Use concisely Explained. By J. F. Heather, M.A. Fourteenth Edition, revised, with additions, by A. T. Walmisley, M.I.C.E., Fellow of the Surveyors' Institution. Original Edition, in 1 vol., Illustrated. 2s.‡
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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. By J. F. Heather, M.A. With 14 Plates. 2s.
178. PRACTICAL PLANE GEOMETRY: giving the Simplest Modes of Constructing Figures contained in one Plane and Geometrical Construction of the Ground. By J. F. Heather, M.A. With 215 Woodcuts. 2s.
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, 1s. 6d.
84. ARITHMETIC, a Rudimentary Treatise on: with full Explanations of its Theoretical Principles, and numerous Examples for Practice. By Professor J. R. Young. Eleventh Edition, 1s. 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, 1s. 6d.
85. EQUATIONAL ARITHMETIC, applied to Questions of Interest, Annuities, Life Assurance, and General Commerce; with various Tables by which all Calculations may be greatly facilitated. By W. Hipsley. 2s.