n, 1867. 8vo.
$5.00

$LEFFEL.--The Construction of Mill-Dams$:

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etc. By JAMES LEFFEL & CO. Illustrated by 58 engravings. 8vo. $2.50

$LESLIE.--Complete Cookery$:

Directions for Cookery in its Various Branches. By MISS LESLIE.
Sixtieth thousand. Thoroughly revised, with the addition of New
Receipts. In 12mo., cloth $1.50

$LIEBER.--Assayer's Guide$:

Or, Practical Directions to Assayers, Miners, and Smelters, for the
Tests and Assays, by Heat and by Wet Processes, for the Ores of all
the principal Metals, of Gold and Silver Coins and Alloys, and of
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$LOVE.--The Art of Dyeing, Cleaning, Scouring, and Finishing, on
the Most Approved English and French Methods$:

Being Practical Instructions in Dyeing Silks, Woolens, and Cottons,
Feathers, Chips, Straw, etc. Scouring and Cleaning Bed and Window
Curtains, Carpets, Rugs, etc. French and English Cleaning, any
Color or Fabric of Silk, Satin, or Damask. By THOMAS LOVE, a
Working Dyer and Scourer. Second American Edition, to which
are added General Instructions for the use of Aniline Colors. 8vo.
343 pages $5.00

$LUKIN.--Amongst Machines$:

Embracing Descriptions of the various Mechanical Appliances used in
the Manufacture of Wood, Metal, and other Substances. 12mo. $1.75

$LUKIN.--The Boy Engineers$:

What They Did, and How They Did It. With 30 plates. 18mo. $1.75

$LUKIN.--The Young Mechanic$:

Practical Carpentry. Containing Directions for the Use of all kinds
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LUKIN, Author of "The Lathe and Its Uses," etc. Illustrated. 12mo
$1.75

$MAIN and BROWN.--Questions on Subjects Connected with the Marine
Steam-Engine$:

And Examination Papers; with Hints for their Solution. By THOMAS J.
MAIN, Professor of Mathematics, Royal Naval College, and THOMAS
BROWN, Chief Engineer, R.N. 12mo., cloth. $1.50

$MAIN and BROWN.--The Indicator and Dynamometer$:

With their Practical Applications to the Steam-Engine. By THOMAS J.
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and THOMAS BROWN, Assoc. Inst. C.E., Chief Engineer R.N., attached
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$MAIN and BROWN.--The Marine Steam-Engine.$

By THOMAS J. MAIN, F.R