Prospectus -- The railway transition curve / W.H. Echols -- The beginnings of mathematics / W.B. Richards -- Tallow clays / W.H. Seamon -- On the continuous construction of the ellipse / W.H. Echols -- On the establishment of the true meridian by means of observations on the sun with the engineer's solar instrument / George R. Dean -- Exercises for solution, 1-6 -- Errata.