llustrated by over 200 wood
engravings, and thirteen folding plates. 2 vols. 8vo. $12.50

$COLBURN.--The Locomotive Engine$:

Including a Description of its Structure, Rules for Estimating its
Capabilities, and Practical Observations on its Construction and
Management. By ZERAH COLBURN. Illustrated. 12mo. $1.00

$COLLENS.--The Eden of Labor; or, the Christian Utopia.$

By T. WHARTON COLLENS, author of "Humanics," "The History of
Charity," etc. 12mo. Paper cover, $1.00; Cloth $1.25

$COOLEY.--A Complete Practical Treatise on Perfumery$:

Being a Hand-book of Perfumes, Cosmetics and other Toilet Articles.
With a Comprehensive Collection of Formulae. By ARNOLD J. COOLEY.
12mo. $1.50

$COOPER.--A Treatise on the use of Belting for the Transmission of
Power.$

With numerous illustrations of approved and actual methods of
arranging Main Driving and Quarter Twist Belts, and of Belt
Fastenings. Examples and Rules in great number for exhibiting and
calculating the size and driving power of Belts. Plain, Particular
and Practical Directions for the Treatment, Care and Management of
Belts. Descriptions of many varieties of Beltings, together with
chapters on the Transmission of Power by Ropes; by Iron and Wood
Frictional Gearing; on the Strength of Belting Leather; and on the
Experimental Investigations of Morin, Briggs, and others. By JOHN
H. COOPER, M.E. 8vo. $3.50

$CRAIK.--The Practical American Millwright and Miller.$

By DAVID CRAIK, Millwright. Illustrated by numerous wood engravings
and two folding plates. 8vo. $5.00

$CRISTIANI.--A Technical Treatise on Soap and Candles$:

With a Glance at the Industry of Fats and Oils. By R.S. CRISTIANI,
Chemist. Author of "Perfumery and Kindred Arts." Illustrated by 176
engravings. 581 pages, 8vo. $7.50

$CRISTIANI.--Perfumery and Kindred Arts$:

A Comprehensive Treatise on Perfumery, containing a History of
Perfumes from the remotest ages to the present time. A complete
detailed description of the various Materials and Apparatus used in
the Perfumer's Art, with thorough Practical Instruction and careful
Formulae, and advice for the fabrication of all known preparations
of the day, including Essences, Tinctures, Extracts, Spirits,
Waters, Vinegars, Pomades, Powders, Paints, Oils, Emulsions,
Cosmetics, Infusions, Pastilles, Tooth Powders and Washes, Cachous,
Hair Dyes, Sachets, Essential Oils, Flavoring Extracts, etc.; and
full details for making and manipulating Fancy