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Coquillon's Indicators

Improved Steamer Lines

Torpedo Defence

Improved Machine Pulley

A Foundry Explosion

Rotary Superheated Steam Engine

Reeves' Excavator

New Gas Process

New Narrow-Gauge Locomotive

The Rotation of the Earth as a Driving Power

Safety Gear for Signals

Central American Timber

Improved Grain-Dressing Machinery

Drawing Platinum Wire

The Salt Manufacture of Michigan

By S. S. Garrigues

Novel Patterns for Sleighs

Reporting Speed

Printing on Wood

Designs for Fresco Painting

Lectures on Paralysis and Convulsions as Effects of Organic Disease of the Brain

Delivered at the Bellevue Hospital Medical College, N. Y.,1877

By C. E. Brown-Sequard

Iron and its Constituents in Regard to Pharmaceutic Preparations

By Henry G. Debrunner


The Hygiene of the Hair

On Chronic Malarial Poisoning

A Clinical Lecture Recently Delivered at the University Medical College, New York

By Alfred L. Loomis

Improved Telegraph Insulators

A Bill to Amend the Statutes in Relation to Patents, and for Other Purposes

Lichtenhein vs. Montgomery, 1861

Scientific American Chess Record

Solutions to Problems

No. 29

By T. M. Brown

“Miron” and the Clipper Problem Tourneys

Chess Problems


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    December 15, 1877