Astor Place, New York,

PUBLISH:

THE RAILROAD SPIRAL.

The Theory of the Compound Transition Curve reduced
to Practical Formulæ and Rules for Application in Field
Work, with Complete Tables of Deflections and Ordinates
for five hundred Spirals. By Wm. H. Searles, C.E., author
of "Field Engineering," Member of Am. Soc. of C. E.
Pocket-book form.

"It should have a place in the library of every Civil Engineer
in the world."-Railway Age.

FIELD ENGINEERING.

A HAND-BOOK of the Theory and Practice of RAIL-
WAY SURVEYING, LOCATION and CONSTRUCTION, de-
signed for CLASS-ROOM, FIELD, and OFFICE USE,
and containing a large number of Useful Tables, Original
and Selected. By Wm. H. Searles, C. E., late Prof. of
Geodesy at Rensselær Polytechnic Inst., Troy. This vol-
ume contains many short and unique methods of Laying
Out, Locating, and Constructing Compound Curves, Side
Tracks, and Railroad Lines generally. It is also intended
as a text-book for Scientific Schools. Pocket-book form.
Eighth edition, 1887.

$1.50

12mo, morocco, 3 00 "The book is admirable. The internal arrangements and appearance are excellent. It is an easy work to refer to, and is plain and clear. There is no useless lumber in it. Every sentence belongs there."-PROF. DAVIS, University of Michigan. THE CIVIL ENGINEER'S FIELD-BOOK.

Designed for the use of the LOCATING ENGINEER. Containing Tables of Actual Tangents and Arcs, expressed in chords of 600 feet for every minute of intersection, from 0° to 90°, from a 1° curve to a 10° curve inclusive. Also, Tables of Formulæ applicable to Railroad Curves and the location of Frogs, together with Radii, Long Chords, Grades, Tangents, Natural Sines, Natural Versed Sines, Natural External Secants, etc. With Explanatory Problems. By Edward Butts, C.E. 12mo,

morocco flaps, 3 00

"The work is a monument of patience on the part of the au thor, and should prove a labor saving investment to the purchaser. It is a 'Henck' elaborated, and this is quite recommend. ation enough—to the practising engineer."-Engineering News. TREATISE ON LEVELLING BY VERTICAL ANGLES,

And the Method of Measuring Distances by Telescope and Rod. With Tables of Heights for all angles, from zero to 22% degrees (in minutes), for any distance required. By August Faul, C.E. 8vo, limp cloth, 1 00 TABLES FOR CALCULATING THE CUBIC CONTENTS OF EXCAVATIONS AND EMBANKMENTS BY AN IMPROVED METHOD DIAGONALS AND SIDE TRIANGLES. By J. R. Hudson. New edition, with additional tables,

OF

Svo, cloth, 1 00 "Hudson's Tables for Computing Earthwork are well known to Engineers, and by many are considered indispensable." -Railway Age.

Of Mensuration, Trigonometry, Surveying, Hydraulics,
Hydrostatics, Instruments and their adjustments,
Strength of Materials, Masonry, Principles of Wooden
and Iron Roof and Bridge Trusses, Stone Bridges and
Culverts, Trestles, Pillars, Suspension Bridges, Dams,
Railroads, Turnouts, Turning Platforms, Water Stations,
Cost of Earthwork, Foundations, Retaining Walls, etc.
In addition to which the elucidation of certain important
Principles of Construction is made in a more simple man-
ner than heretofore. By J. C. Trautwine, C.E. 12mo,
morocco flaps, gilt edges. 28th thousand, revised and
enlarged, with new illustrations, by J. C. Trautwine, Jr.,
C. E. 1887.

"It is the best Civil Engineer's Pocket-book in existence."
-American Engineer.

$5.00

A METHOD OF CALCULATING THE CUBIC CON-
TENTS OF EXCAVATIONS AND EMBANK-
MENTS BY THE AID OF DIAGRAMS,
Together with Directions for Estimating the Cost of
Earthwork. By John C. Trautwine, C.E. Ninth edition,
revised and enlarged by J. C. Trautwine, Jr. 8vo, cloth, 2 00
THE FIELD PRACTICE OF LAYING OUT CIR-
CULAR CURVES FOR RAILROADS.

By J. C. Trautwine, Civil Engineer. 12th edition, re-
vised by J. C. Trautwine, Jr. 12mo, limp morocco, 2 50

"Probably the most complete and perfect treatise on the
single subject of Railroad Curves that is published in the
English language."-Engineering News.

THE ECONOMIC THEORY OF THE LOCATION
OF RAILWAYS.

An Analysis of the Conditions controlling the laying out
of Railways to effect the most judicious expenditure of
capital. By Arthur M. Wellington, Chief Engineer of the
Vera Cruz and Mexico Railway, etc. New and improved
edition.

8vo, 5 00

"Mr. Wellington has done great service to the Railroad profession; more particularly to Engineers, Managers, and Superintendents, by bringing together in a single volume such a mass of valuable matter. It should be in every Railway Library." -Railway Age.

A TREATISE UPON CABLE OR ROPE TRACTION. As applied to the working of STREET and other RAILWAYS. (Revised and enlarged from Engineering.) By J. Bucknall Smith, C.E. With illustrations and folding plates. 4to, cloth, 2 50 "The publication of this book seems to us to be most timely. The subject is ably handled by an experienced Engineer."-American Machinist.

A TREATISE ON CIVIL ENGINEERING.

By O. H. Mahan. Revised and edited, with additions
and new plates, by Prof. De Volson Wood. With an
Appendix and complete Index. New edition, with chap-
ter on River Improvements by F. A. Mahan. 8vo, cloth, 5 00
"This is the standard text-book on this subject."

*** Will be Mailed and Prepaid on the receipt of the price.
Our New Catalogue of 77 Pages for 1890 will be
mailed gratis to order.

RAILROAD ENGINEERS' FIELD-BOOK

AND

EXPLORERS' GUIDE.

ESPECIALLY ADAPTED TO THE USE OF
RAILROAD ENGINEERS

ON

LOCATION AND CONSTRUCTION,

AND TO THE NEEDS OF THE EXPLORER IN MAKING

EXPLORATORY SURVEYS.

BY

H. C. GODWIN.

NEW YORK:

JOHN WILEY & SONS,

15 ASTOR PLACE.