GEOMETRICAL BLOCKS, designed to accompany The Introduction to Geometry. In case. $2.00.
PEIRCE'S ALGEBRA.
An ELEMENTARY TREATISE ON ALGEBRA, To which are added Exponential Equations and Logarithms. By Benjamin Peirce, A. M., Perkins Professor of Astronomy and Mathematics in Harvard University. 12mo. Seventh Edition. 83 cents.
PEIRCE'S GEOMETRY.
AN ELEMENTARY TREATISE ON PLANE AND SOLID GEOMETRY. New Edition. 12mo. 184 Figures. 83 cents.
PEIRCE'S TRIGONOMETRY.
AN ELEMENTARY TREATISE ON PLANE AND SPHERICAL TRIGONOMETRY, with their Applications to Navigation, Surveying, Heights, and Distances, and Spherical Astronomy, and particularly adapted to explaining the Construction of Bowditch's Navigator, and the Nautical Almanac. New Edition, revised, with Additions. 8vo. Plates. $1.75.