A system of useful formulæ. adapted to the practical operations of locating and constructing railroads; a paper read before the Boston society of civil engineers,

A system of useful formulæ. adapted to the practical operations of locating and constructing railroads; a paper read before the Boston society of civil engineers,

Description:

x p., 1 l., 188 p. diagrs. 23 cm.

Date Issued: 1851.
Collection: Boston,: C. C. Little and J. Brown,
Language: eng
Type: text