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قراءة كتاب Scientific American, Volume XXIV., No. 12, March 18, 1871 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.

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Scientific  American, Volume XXIV., No. 12,  March 18, 1871
A Weekly Journal of Practical Information, Art, Science,
Mechanics, Chemistry, and Manufactures.

Scientific American, Volume XXIV., No. 12, March 18, 1871 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.

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دار النشر: Project Gutenberg
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SCIENTIFIC AMERICAN

A WEEKLY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCE, MECHANICS, CHEMISTRY, AND MANUFACTURES.

NEW YORK, MARCH 18, 1871.

Vol. XXIV.—No. 12. [NEW SERIES.]

$3 per Annum [IN ADVANCE.]


Knots and Splices.


Scientific American.

MUNN & CO., Editors and Proprietors.


PUBLISHED WEEKLY AT
NO. 37 PARK ROW (PARK BUILDING), NEW YORK.


O. D. MUNN.            S. H. WALES.            A. E. BEACH.


VOL. XXIV., NO. 12 ... [New Series.] Twenty-sixth Year


NEW YORK, SATURDAY, MARCH 18, 1871.


Contents:

(Illustrated articles are marked with an asterisk.)

*Knots and Splices 175
Influence of Cold on Iron and Steel. 176
Oak Graining in Oil Colors 176
Knots and Splices (Explanation) 177
Hartford Steam Boiler and Insurance Co.'s Report 177
*Improved Spiral Spring for Railway Carriages 178
*Portable Writing and Copying Case 178
How Walking-sticks are Made 178
Flowering of the Victoria Regia 178
Jute 178
Ventilation of the Liverpool Tunnel 178
*Impregnating Wood with Tar, etc. 178
*Boardman's Combined Tool 179
*Belt Tightener 179
Some Things I don't want in Building Trades 179
*Action of the Reciprocating Parts of Steam Engines 179
*Answer to Practical Problems 179
Reciprocating Parts of Steam Engines 179
Test for White Lead 180
How to Build a Chimney 180
Crystallized Honey 180
Rambles for Relics.—No. 2 180
Silk Culture 181
*Universal Boring Machine 182
*Combined Trunk and Rocking-chair 182
Cosmetics 182
*Smith's Infant Dining-chair 182
The Medicines of the Ancients 182
*Barnes Ventilator for Mattresses 182
Exhibition of the National Photographic Association 182
A Scientific and Technical Awakening 183
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