HOFMANN.—A Practical Treatise on the Manufacture of Paper in all its Branches.
By Carl Hofmann. Late Superintendent of paper mills in Germany and the United States; recently manager of the Public Ledger Paper Mills, near Elkton, Md. Illustrated by 110 wood engravings, and five large folding plates. In one volume, 4to., cloth; 398 pages. $15.00
HUGHES.—American Miller and Millwright's Assistant.
By Wm. Carter Hughes. A new edition. In one vol., 12mo. $1.50
HURST.—A Hand-Book for Architectural Surveyors and others engaged in Building:
Containing Formulæ useful in Designing Builder's work, Table of Weights, of the materials used in Building, Memoranda connected with Builders' work, Mensuration, the Practice of Builders' Measurement, Contracts of Labor, Valuation of Property, Summary of the Practice in Dilapidation, etc., etc. By J. F. Hurst, C. E. Second edition, pocket-book form, full bound. $2.50
JERVIS.—Railway Property:
A Treatise on the Construction and Management of Railways; designed to afford useful knowledge, in the popular style, to the holders of this class of property; as well as Railway Managers, Officers, and Agents. By John B. Jervis, late Chief Engineer of the Hudson River Railroad, Croton Aqueduct, etc. In one vol., 12mo., cloth. $2.00
JOHNSTON.—Instructions for the Analysis of Soils, Limestones, and Manures.
By J. F. W. Johnston. 12mo. 38