
Volume 23, Issue 584supp
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Features
Heliography, or the Actinic Copying of Engineering Drawings
The Welsbach Incandescent Gas Burner
Deterioration of Bleaching Powder
The Explosive “Kinetite”
Zinc Rollers for Calico Printing
North American Carriage Woods
Fast Black for Yarn Dyeing
Pyrometers for Porcelain Kilns
Plush with a Waved Surface
Butter Colors
Filter Presses for Sewage Sludge
Machine for Elbowing Sheet Iron Pipes
Single Rail Railways
The Steamer Great Eastern
Working Old Steel
Improved Electro-Metallurgical Process
The Wimshurst Electrical Machine
The Inventor
Salicin
Ferric Chloride as an Exciting Agent
A Toy Electric Railway
Gases from New Woolen Goods
Solidified Oils
The Velocity of Light in Air and Refracting Media
Gastric Digestion in the Horse
Health and Longevity
Volcanic Eruption of Silver
On The Occurrence of Silver in Volcanic Ash from the Eruption of Cotopaxi of July 22 and 23, 1885 *ast;