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Hydraulics at the Exhibition.—The Pump Annex

Cutting Tools for Lathes

To the Editor of the Scientific American

Exhibition Notes

The Century Clock

James B. Eads, C.E., LL.D

New Atmospheric Hammer

By J. C. Butterfild

Test Safety-Valve

New Metallic Piston Packing

Mr. Fletcher's Proposed Safety-Valve

Improvement in Car-Couplings

By L. P. Bailey

Apparatus for Raising Sunken Vessels

By Emily E. Tassey

San Francisco to Liverpool in Sixteen Days

Railways in Japan

Improvement in Gas Engines

By Friedrich W. Gilles

Chinese Suspension Bridges

Sail-Boat Building

Manufacture of Dynamite

Chromeisen as a Substitute for Spiegeleisen

Cement Ornaments

Boracic Acid in Iron Ores

Artificial Leather

To Restore Soiled Steel Engravings

The Rhododendron

New Lubricant

Steam Street-Cars in Baltimore

Removing Tin from Scraps, Etc., by Electricity

By N. S. Keith

Determination of Lithium by means of the Spectroscope

By M. H. Ballmann

Chromate of Lead in Ham Coverings


By M. H. Buhrig

The Oil of Wood

By M. Guibourt

The Absorption of Free Nitrogen and Hydrogen by Organic Substances

Determination of Anthracen in Coal-Tar

By M. C. Nicol

Salt as a Wood Preservative

Single-Rail Railway

Number of Locomotives on English Railroads

Locomotives for the 18-In. Gauge

French Railways

Lessons in Mechanical Drawing

By C. W. MacCord

New Investigations on the Radiometer is it an Electric Engine?

Improved Rotary Boiler and Process for Making Paper Pulp

Gas Singeing Machine

Blow-Pipe and Spectroscope for Mineralogists

By Marshall Hall

New Electric Gas-Lighter

By A. L. Bogart

The London Scientific Apparatus Exposition

Grubbs' Apparatus for Polishing Specula

Jupiter at his opposition, 1876

Astronomical Notes

Professor Huxley in America.—The Theory of Evolution

Third Lecture

Traces of Man in the Robin-Hood Cave

By W. Boyd Dawkins

Gymnastic Exercise

The Sounds of Woods and Metals

Wrought-Iron Grilles

Clock Chimes

How to Draw on Glass

Non-Combustible Wood


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    October 28, 1876

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