tary System$:

The only means of Securing the respective Rights of Labor and
Property, and of Protecting the Public from Financial Revulsions.
By EDWARD KELLOGG. Revised from his work on "Labor and other
Capital." With numerous additions from his manuscript. Edited by
MARY KELLOGG PUTNAM. $Fifth edition.$ To which is added a
Biographical Sketch of the Author. One volume, 12mo.

Paper cover. $1.00

Bound in cloth. $1.50

$KEMLO.--Watch-Repairer's Hand-Book$:

Being a Complete Guide to the Young Beginner, in Taking Apart,
Putting Together, and Thoroughly Cleaning the English Lever and
other Foreign Watches, and all American Watches. By F. KEMLO,
Practical Watchmaker. With Illustrations. 12mo. $1.25

$KENTISH.--A Treatise on a Box of Instruments$,

And the Slide Rule; with the Theory of Trigonometry and Logarithms,
including Practical Geometry, Surveying, Measuring of Timber, Cask
and Malt Gauging, Heights, and Distances. By THOMAS KENTISH. In one
volume, 12mo. $1.25

$KERL.--The Assayer's Manual$:

An Abridged Treatise on the Docimastic Examination of Ores, and
Furnace and other Artificial Products. By BRUNO KERL, Professor in
the Royal School of Mines; Member of the Royal Technical Commission
for the Industries, and of the Imperial Patent-Office, Berlin.
Translated from the German by WILLIAM T. BRANNT, Graduate of the
Royal Agricultural College of Eldena, Prussia. Edited by WILLIAM H.
WAHL, Ph. D., Secretary of the Franklin Institute, Philadelphia.
Illustrated by sixty-five engravings. 8vo. $3.00

$KINGZETT.--The History, Products, and Processes of the Alkali
Trade$:

Including the most Recent Improvements. By CHARLES THOMAS KINGZETT,
Consulting Chemist. With 23 illustrations. 8vo. $2.50

$KINSLEY.--Self-Instructor on Lumber Surveying$:

For the Use of Lumber Manufacturers, Surveyors, and Teachers. By
CHARLES KINSLEY, Practical Surveyor and Teacher of Surveying. 12mo.
$2.50

$KIRK.--The Founding of Metals$:

A Practical Treatise on the Melting of Iron, with a Description of
the Founding of Alloys; also, of all the Metals and Mineral
Substances used in the Art of Founding. Collected from original
sources. By EDWARD KIRK, Practical Foundryman and Chemist.
Illustrated. Third edition. 8vo. $2.50

$KITTREDGE.--The Compendium of Architectural Sheet-Metal Work$:

Profusely Illustrated. Embracing Rules and Directions for
Estimates, Items of Cost, Nomenclature, Tables of Brackets,
Modillions, Dentals, Tru