93. MENSURATION AND MEASURING. With the Mensuration and Levelling of Land for the Purposes of Modern Engineering. By T. Baker, C.E. New Edition by E. Nugent, C.E. Illustrated. 1s. 6d.
101. DIFFERENTIAL CALCULUS, Elements of the. By W. S. B. Woolhouse, F.R.A.S., &c. 1s. 6d.
102. INTEGRAL CALCULUS, Rudimentary Treatise on the. By Homersham Cox, B.A. Illustrated. 1s.
136. ARITHMETIC, Rudimentary, for the Use of Schools and Self-Instruction. By James Haddon, M.A. Revised by A. Arman, 1s. 6d.
137. A Key to Haddon's Rudimentary Arithmetic. By A. Arman, 1s. 6d.
168. 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. Illustrated. 1s. 6d.
169. 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. 1s. 6d.
170. 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. 1s. 6d.
⁂ The above three volumes form an enlargement of the Author's original work "Mathematical Instruments." (See No. 32 in the Series.)