The first six books of the Elements of Euclid, in which coloured diagrams and symbols are used instead of letters for the Greater Ease of Learners (Paperback)

Dual Arithmetic: A new art - second part (Paperback)

Spons' Dictionary of Engineering, Civil, Mechanical, Military, and Naval; Volume 1 (Paperback)

Spons' Dictionary of Engineering, Civil, Mechanical, Military, and Naval; Volume 1 (Hardcover)

Spons' Dictionary of Engineering, Civil, Mechanical, Military, and Naval: With Technical Terms in French, German, Italian, and Spanish (Classic Reprin (Paperback)

Spons' Dictionary of Engineering, Civil, Mechanical, Military, and Naval; Volume 2 (Paperback)