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The French on the Upper Nile

Bottle Drifts

By Henry C. Weeks

A New Incandescent Filament for Electric Lights

The Spiral Bottle

The Earthquakes in Dalmatia

The Dispersion of Mollusks

The Mineral Resources of Persia

Greenhouse Heating

By Thomas N. Thomson

Veronica Dieffenbachii

The Manchineel or Manzanilla Tree

Babbitt Metal

By C. Vickers

Engineering Notes

Selected Formulæ

Miscellaneous Notes


The Division of Clock Dials

Use of Bamboo among the Annamites

Inaugural Address by Sir William Crookes, F.R.S., V.P.C.S., President of the British Association

Death by Electricity

By W.S. Hedely

A Peculiar Style of Ladder

Color Vision

The Telephone in Italy

The Development of Photography in Astronomy



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    October 08, 1898

    20% Sitewide for President's Day