Engineering and Architectural
Drawing. From the French of M. Armengaud the elder, Prof. of
Design in the Conservatoire of Arts and Industry, Paris, and
MM. Armengaud the younger, and Amoroux, Civil Engineers. Rewritten
and arranged with additional matter and plates, selections from
and examples of the most useful and generally employed mechanism
of the day. By WILLIAM JOHNSON, Assoc. Inst. C.E. Illustrated
by fifty folio steel plates, and fifty wood-cuts. A new edition, 4to.,
half morocco $10.00

$ARMSTRONG.--The Construction and Management of Steam Boilers$:

By R. ARMSTRONG, With an Appendix by ROBERT MALLET,
C.F., F.R.S. Seventh Edition. Illustrated. 1 vol. 12mo. $75.00

$ARROWSMITH.--Paper-Hanger's Companion$:

A Treatise in which the Practical Operations of the Trade are
Systematically laid down: with Copious Directions Preparatory to
Papering; Preventives against the Effect of Damp on Walls; the
various Cements and Pastes Adapted to the Several Purposes of
the Trade; Observations and Directions for the Panelling and
Ornamenting of Rooms, etc. By JAMES ARROWSMITH. 12mo., cloth $1.25

$ASHTON.--The Theory and Practice of the Art of Designing Fancy Cotton
and Woollen Cloths from Sample$:

Giving full instructions for reducing drafts, as well as the methods of
spooling and making out harness for cross drafts and finding any required
reed; with calculations and tables of yarn. By FREDERIC T.
ASHTON, Designer, West Pittsfield, Mass. With fifty-two illustrations.
One vol. folio $10.00

$AUERBACH--CROOKES.--Anthracen$:

Its Constitution, Properties, Manufacture and Derivatives, including
Artificial Alizarin, Anthrapurpurin, etc., with their applications in
Dyeing and Printing. By G. AUERBACH. Translated and edited
from the revised manuscript of the Author, by WM. CROOKES, F.R.
S., Vice-President of the Chemical Society. 8vo. $5.00

$BAIRD.--Miscellaneous Papers on Economic Questions. By Henry Carey
Baird.$ (_In preparation._)

$BAIRD.--The American Cotton Spinner, and Manager's and Carder's Guide$:

A Practical Treatise on Cotton Spinning; giving the Dimensions and
Speed of Machinery, Draught and Twist Calculations, etc.; with
notices of recent Improvements: together with Rules and Examples
for making changes in the sizes and numbers of Roving and Yarn.
Compiled from the papers of the late ROBERT H. BAIRD. 12mo.
$1.50

$BAIRD.--Standard Wages Computing Tables:$

An Improvement in all