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Features

On the Artificial Production of Ice

Valves for Gas and Other Purposes

Lessons in Mechanical Drawing

By C. W. MacCord

Equilibrium Blow-Off Cock

Street Track Sweeper

Preservation of Iron Structures

By C. Graham Smith

The Rouchat Viaduct

Cheap Fire-Proof Houses

New Mordant for Fixing Coloring Matters

Prices now and in 1860

Orange and Chrysoine

Remarks on Aniline Black

Sulpholeic Acids

Washing and Cleansing Wool

Mordant for Turkey Red

Eosine

Solubility of Silk in an Alkaline Glycerine Solution of Copper

Aniline Black on Calico

On Dyeing in Wooden Becks

Application of Chrome in Printing

Fast Puce from Artificial Cochineal

Alum Treatment of Silk

Bleaching China Clays

Ancient Life in America

By O. C. Marsh

Red Water in Long Island Sound

Octopus Fishing in Japan

The Credit Side of the Insect Account

Reclaimed Salt Marshes

By W. Clift

Astronomy

Growing Chestnuts from Seed

Pot-Grown Strawberries

By F. R. Pierson

The Caterpillar Cure

A Curious Globe

A Meteorite 1,500 Feet in Diameter

The Ställdalen Meteorite. *

A Visit to Lord Rosse's Telescope

Solutions to Problems

Steinitz and Zuckertort

The Vienna Chess Congress of 1873

Scientific American Chess Record

Amateur World Problem Prize

Scientific Queen Problems

William Steinitz

(Irregular Opening)

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    September 29, 1877

    Beyond XX and XY

    Biology. Identity. Equality.