Griswold's railroad engineers' pocket companion for the field. Comprising rules for calculating deflexion distances and angles, tangential distances and angles, and all necessary tables for engineers; also, the art of leveling from preliminary survey to t
Description:
x, [5]-134 p. incl. diagrs. 14cm.
Date Issued:
1866.
Institution:
University of Michigan Library
Collection:
Philadelphia,: H.C. Baird,
Subject Topics:
Language:
eng
Type:
text