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 2/0

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 2/0

Analytical Geometry and Conic Sections,

A Rudimentary Treatise on. By James Hann. A New Edition, re-written and enlarged by Professor J. R. Young 2/0

Euclid (The Elements of).

With many Additional Propositions and Explanatory Notes; to which is prefixed an Introductory Essay on Logic. By Henry Law, C.E. 2/6

? Sold also separately, viz:—

Euclid. The First Three Books. By Henry Law, C.E. 1/6

Euclid. Books 4, 5, 6, 11, 12. By Henry Law, C.E. 1/6

Plane Trigonometry,

The Elements of. By James Hann. 1/6

Spherical Trigonometry,

The Elements of. By James Hann. Revised by Charles H. Dowling, C.E. 1/0

? Or with “The Elements of Plane Trigonometry,” in One Volume, 2/6

Differential Calculus,

Elements of the. By W. S. B. Woolhouse, F.R.A.S., &c. 1/6

Integral Calculus.

By Homersham Cox, B.A. 1/6

Algebra,

The Elements of. By James Haddon, M.A. With Appendix, containing Miscellaneous Investigations, and a Collection of Problems 2/0

A Key and Companion to the Above.

An extensive Repository of Solved Examples and Problems in Algebra. By J. R. Young 1/6

Commercial Book-keeping.

With Commercial Phrases and Forms in English, French, Italian, and German. By James Haddon, M.A. 1/6

Arithmetic,

A Rudimentary Treatise on. With full Explanations 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. Thirteenth Edition 1/6

A Key to the Above.

By J. R. Young 1/6

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 1/6

Arithmetic,

Rudimentary, for the Use of Schools and Self-Instruction. By James Haddon, M.A. Revised by Abraham Arman 1/6

A Key to the Above.

By A. Arman 1/6

Mathematical Instruments:

Their Construction, Adjustment, Testing, and Use concisely Explained. By J. F. Heather, M.A., of the Royal Military Academy, Woolwich. Fourteenth Edition, Revised, with Additions, by A. T. Walmisley, M.I.C.E. Original Edition, in 1 vol., Illustrated 2/0

? In ordering the above, be careful to say “Original Edition,” or give the number in the Series (32), to distinguish it from the Enlarged Edition in 3 vols. (as follows)—

Drawing and Measuring Instruments.

Including—I. Instruments employed in Geometrical and Mechanical Drawing, and in the Construction, Copying, and Measurement of Maps and Plans. II. Instruments used for the purposes of Accurate Measurement, and for Arithmetical Computations. By J. F. Heather, M.A. 1/6

Optical Instruments.

Including (more especially) Telescopes, Microscopes, and Apparatus for producing copies of Maps and Plans by Photography. By J. F. Heather, M.A. Illustrated 1/6

Surveying and Astronomical Instruments.

Including—I. Instruments used for Determining the Geometrical Features of a portion of Ground. II. Instruments employed in Astronomical Observations. By J. F. Heather, M.A. Illustrated. 1/6

? The above three volumes form an enlargement of the Author’s original work, “Mathematical Instruments,” price 2/0. (Described at top of page.)

Mathematical Instruments:

Their Construction, Adjustment, Testing and Use. Comprising Drawing, Measuring, Optical, Surveying, and Astronomical Instruments. By J. F. Heather, M.A. Enlarged Edition, for the most part entirely re-written. The Three Parts as above, in One thick Volume. 4/6

The Slide Rule, and How to Use It.

Containing full, easy, and simple Instructions to perform all Business Calculations with unexampled rapidity and accuracy. By Charles Hoare, C.E. With a Slide Rule, in tuck of cover. Seventh Edition 2/6

Logarithms.

With Mathematical Tables for Trigonometrical, Astronomical, and Nautical Calculations. By Henry Law, C.E. Revised Edition 3/0

Compound Interest and Annuities (Theory of).

With Tables of Logarithms for the more Difficult Computations of Interest, Discount, Annuities, &c., in all their Applications and Uses for Mercantile and State Purposes. By Fedor Thoman, Paris. Fourth Edition 4/0

Mathematical Tables,

For Trigonometrical, Astronomical, and Nautical Calculations; to which is prefixed a Treatise on Logarithms. By H. Law, C.E. Together with a Series of Tables for Navigation and Nautical Astronomy. By Professor J. R. Young. New Edition 4/0

Mathematics,

As applied to the Constructive Arts. By Francis Campin, C.E., &c. Third Edition 3/0

Astronomy.

By the late Rev. Robert Main, F.R.S. Third Edition, revised and corrected to the Present Time. By W. T. Lynn, F.R.A.S. 2/0

Statics and Dynamics.

The Principles and Practice of. Embracing also a clear development of Hydrostatics, Hydrodynamics, and Central Forces. By T. Baker, C.E. Fourth Edition 1/6