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SA Supplements Vol 20 Issue 521supp

SA Supplements

Volume 20, Issue 521supp

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Features

Wedlake's Improved Organ

Insect White Wax

Chemical Process for Ramie

Artificial Lithographic Stones

Mounting Photographs

Lamp for Heavy Oils

The Principles Involved in the Construction of Spray-Tubes

Andrew H. Smith

The Effects of Lightning Stroke

Farm Buildings

A Novel Paper-Cutter

The Present Condition of the Yellowstone National Park

E. D. Cope

New York Laundries

Royal Academy Traveling Studentship Design for Block of Three Houses

Natural Gas

A Ninety-Eight Foot Crane

Explosion of a Military Mine at Arras

Coupled Vertical Engines

The American Public Health Association

Tissue Coloring

Therapeutical Effects of Tobacco

I. J. M. Goss

The Treatment of Carbuncle Without Incision

Color of the Eyes

Light vs. Heat Radiations

Simultaneous Telegraphy and Telephony

Intelligence of the Dog

The Bed of the Ocean

An Underground Flue

Patents

Production of Double Flowers

Formation of Snow Crystals from Fog