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Features

Diack's Excavator for Sinking Cylinder Foundations

By J. Diack

Hardening and Tempering Steel

By Joshua Rose

Sea Sounding

The Shipping of the World

Raising and Lowering Weights

The Institution of Civil Engineers

Subject for Papers.—Session 1877-78

Rock-Drilling Machine

By John Darlington

Physical Society, London

Professor Rankine

Lessons in Mechanical Drawing

By C. W. Maccord

On the Minute Measurements of Modern Science

By Alfred M. Mayer

Fire Screens in Enameled Sheet Iron

The Cochrane Suit in a Nut-Shell

A Munificent Bequest

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

By C. E. Brown-Sequard

Rotating Teeth in their Sockets

By J. N. Farrar

Aerial Photography

Improved Negative Retouching

By G. Frank E. Pearsall

Lichtdruck with Water Colors

Photo Notes

Improvement in Carbon Printing

Electrical Movements of Camphor on Water

By P. Casamajor

Violet Supplementary Light

Electric Illumination

Diamond-Bearing Sand

By S. Meunier

The System Employed in Drilling for Oil

New Discoveries in the Pennsylvania Oil Region

United States Mining Laws

Reflection of Heat

The Flow of Natural Gas

Points of a Good Horse

Fattening Poultry by Machinery

What Earthworms are Good For

Scientific American Chess Record

Solutions to Problems

Kolisch and the Paris Tournoi of '57

Kolisch vs. Neumann, Paris Tournoi, 1868

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    December 22, 1877

    Confronting Common Wisdom