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Wedlake's Improved Organ

Insect White Wax

Lamp for Heavy Oils

Artificial Lithographic Stones

Chemical Process for Ramie

The Principles Involved in the Construction of Spray-Tubes

By Andrew H. Smith

Mounting Photographs

Farm Buildings

The Effects of Lightning Stroke

The Present Condition of the Yellowstone National Park

By E. D. Cope

A Novel Paper-Cutter

New York Laundries

Royal Academy Traveling Studentship Design for Block of Three Houses

Natural Gas

A Ninety-Eight Foot Crane

Coupled Vertical Engines

Explosion of a Military Mine at Arras

Tissue Coloring

The American Public Health Association

Color of the Eyes

The Treatment of Carbuncle Without Incision

Therapeutical Effects of Tobacco

By I. J. M. Goss

Light vs. Heat Radiations

Simultaneous Telegraphy and Telephony

The Bed of the Ocean

Intelligence of the Dog

An Underground Flue

Formation of Snow Crystals from Fog


Production of Double Flowers


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