The Project Gutenberg EBook of Scientific American, Volume XXIV., No. 12,
March 18, 1871, by Various

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

Author: Various

Release Date: September 5, 2006 [EBook #19180]

Language: English

Character set encoding: ASCII

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[Illustration]

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.]

* * * * *

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 the Building T