SA Supplements

May 1882

Volume 13, Issue 333supp

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Features

Explosion of Two Steam-Boilers at Jewell's Mill, Brooklyn, N. Y

“Equidistant Gear Cutters”

C. W. MacCord

Launch of the Colossus

Centrifugal Ship's Pump

The Pennsylvania Steel Company

Large Plate-Shears

The Progress of the Metallurgy of Gold and Silver in the United States

T. Egleston

Gold and Its Manufactures

Watch Cases, Their Uses, Materials, and Qualities

English Universities

The Manufacture of Cloisonne at Peking

The Manufacture of Powder

The Influence of Mathematics on the Progress of Physics

Arthur Schuster

Photographic Notes

Storage of Electricity

The Action of Quinine and Salicylic Acid on the Human Ear

The Action of Quinine and Salicylic Acid on the Ear

Discharge of Electricity by Heat

Adulteration of Drugs in England

Why We Cough and How We Cough

Simple Directions for Collecting, Preserving, and Packing Insects

Frederick Leroy Sargent

Ear Disease

Experiments with Caged Pythons

Possible Food Plants for the Cotton-Worm

A New Gentian

Mexican Caves With Human Remains

Edward Palmer

Malaga Raisins

On the Conservation of Solar Energy

W. B. Carpenter

The Timber Line

Henry Gannett