SA Supplements

September 1880

Volume 10, Issue 244supp

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Features

Locomotive Steam Crane

Grain Elevators

Changing a Railway Gauge

Aug. Mordecai

Automatic Feeding Apparatus for Steam Boilers of Mr. Fromentin

A Remarkable Gas-Explosion

Chain Fire-Bars

Sir Henry Bessemer

Shearing Strength of Some Timbers

Carlisle Cathedral

The Fabrication of Aino Cloth

D. P. Penhallow

Respiration at Various Altitudes on the Island and Peak of Teneriffe

W. Marcet

An Evening with Fasoldt's 1,000,000 Test Plate

The Microscope in Writing

Contributions to Molecular Physics in High Vacua

The Tanning Process

Carl Bottinger

Stored-Up Light

Hearing by the Aid of Tissue Conduction —The Mouth Trumpet and the Audi- Phone

On the Critical Point of Mixed Vapors

A Bromated Derivative of Nicotine

A. Cahours, Etard

The Value of Chemical Investigations of Food

A New Aluminum Sulphate (Sesquibasic)

P. Marguerite

Manufacture of Citric Acid

J. Carter Bell

A Condensed History of Dr. Tanner's Recent Fast

P. H. Vander Weyde