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The Launch of the “Kaiser Wilhelm Der Grosse”

Incandescent Mantles

By Vivian B. Lewes

Rules for Conducting Boiler Trials

A Large Centrifugal Pump

A Novel Vise

New York Street Widenings and Extensions

By N. J. Vander Weyde

Trade Suggestions from United States Consuls

Miscellaneous Notes

Miscellaneous Notes and Receipts

Selected Formulæ

Provisioning an Atlantic Liner

The Preservation of the Dune of Helgoland

Persian Tigers

The Number of Animals

Odd Things about Crabs

Functional Resemblances between Animals and Plants

By Alice Dinsmork

Winged Carriers of Disease

Sugar of Milk

The Ruins of Xkichmook, Yucatan

The Tinplate Trust

The Wear of Modern Guns

American Trade in British Eyes


The Electric Arc

Electricity as an Exact Science

By Howard B. Little

Selenipedium Macrochilum Giganteum Grande

Vibrations of the Ether

The Proposed Magnetic Survey of the United States

The Effect of Ozone on Photographic Plates

By E. Andreoli



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