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Spiel's Petroleum Engine

Torpedo Boats

From La Nature

The Bessemer Steel Industry of the United States

The Fire-Grenade

Apparatus for Examining Engravings

Perille's Safety Catch

A New Lamp Shade

Cork Cloth

New Process of Casting Iron Cylinders

Bung for Preserving Wines on Tap

Instruments for Drawing Curves

II. The Parabola

By C. W. MacCord

Purification of Sulphuric Acid and Preparation of Nitric Acid

Timber: Its Growth, Seasoning, and Preparation for use

By Thomas Blashill

Design for a Church

Earth Currents in the Ben Nenis Observatory Telegraph Cable

Church at Frankfurt

The Self-Induction of an Electric Current in Relation to the Nature and form of its Conductor

By D. E. Hughes

A Remarkable Thunderbolt

Electricity Applied to Pharmacy

The Condensation of Fumes by Static Electricity

Some Recent Telephone Apparatus

On the Variations of the Absorption-Spectra and the Emissive Phosphorescence-Spectra of One and the Same Body

By M. Henri Becquerel

A New Theory of Sound

By Henry A. Mott

A Flint Containing Water

Lagging Subsidence Vs. Elevation in Physiographical Geology

By James Richardson

On the Enrichment of Coal Gas by Certain Hydrocarbons

By George E. Davis

The Balm of Gilead

Populus Candicans


  • Departments

    Patents - April 3, 1886

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