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Col. Bange's Artillery System

Sewerage System of Memphis

Sinking through Quicksand

The Arlberg Tunnel

Honigman's Condensers

The Righi Vaudois and its Wire-Rope Railway

Forest's Gas Motor

Six Wheeled Freight Car Truck

Improved Method of Recovering Silver from the Hypo Bath

The “Cruto” Lamp

Improved Automatic Filter

Improved Hydraulic Cloth Press

Perret's Sponge Filter


Poitrineau's Movable Buildings

The Comparative Visibility of Illuminated Surfaces

Llandrindod Wells Rectory

Upon some Figures Obtained by Mr. Cardani through Electrolysis

Modification of the Leclanche Battery

New Models of Accumulators

Dr. Wreden's Microphone Transmitter

Magnetic Polarity in Iron

Translation of the Morse Telegraph Signs into Letters

Dr. Wedl

The Scientific Basis of Cookery

By W. Mattieu Williams

An Illustration of Inertia

The Growth of London

The Sun and Sun Spots

The Universe of Suns

By R. A. Proctor

Prehistoric Pits in Oregon

The Dugong of Queensland

The Greater Moth Orchid


  • Departments

    Patents - March 1, 1884

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