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Relation of Height, Weight and Strength to the Cephalic Index

The Raft of Ulysses

A Study in Ancient Construction and Carpentry

By W. Watkiss Lloyd

The Possibilities of Human Life within the Antarctic

By Frederick A. Cook

Chinese Sacred Lily

The means of Defense of Animals.—III

The Protection of the Food Supply

Winged Messengers

Electric Lines of Force

Trade Suggestions from United States Consuls

Electrical Energy from Peat

Combination of Nitrogen with Oxygen

Trade Notes and Receipts

Selected Formulæ

The Electric Automobile

By A. L. Riker

The Palaces of Nations at the Paris Exposition

Applied Science in Municipal Work

The Terraces of the Automobile Club

On the Discovery and Occurrence of Minerals containing Rare Elements

By Baron A. E. Nordenski*amp*ouml;ld

Examination of Coal by Roentgen Rays

Liquids under High Pressure

An Outline of the Development of American Locomotives.—III

How Wire Fencing is Made

Joukowsky's Experiments on the Hammering of Water-Pipes

Electric Waves between Bitumen

An Automatic Shoe Blackener


The Field Gun of the Boers

Magnetized Coherers

Health Conditions in the Hawaiian Islands

By Charles E. Davis

Artificial Light for Photographic Work


A New Source of Error


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    June 23, 1900

    20% Sitewide for President's Day