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The Battleship “Maine,” 1886–1898

The Psychology of Invention

By Josiah Royce

Electric Lighting in Rubber Works

The Navy of Spain

The Home Modification of Milk

By William L. Baner

Table of Wind Pressures Adopted by the English Navy

Engineering Notes

Selected Formulæ

Miscellaneous Notes

Powerful Machines for Working Structural Iron and Steel

The Pulpit of Saint Bavon Church

Animals Underground

Mimicry in Insects


A Vegetable Curiosity


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    April 23, 1898

    20% Sitewide for President's Day