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Scientific American Supplement, No. 446, July 19, 1884

The Scientific American may be the oldest continuously published periodical in the United States, havinge launched its first publication in 1845. It has been a mainstay of popular science with in depth articles across a broad spectrum of scientific fields. In this supplement are short articles ranging through such topics as Pneumatic Malting, Improved Hay-Rope Machine, Automatic Fast Speed Telegraphy, and Tin in Canned Foods
Our Servants, The Microbes
- Summary by Larry Wilson

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Improved Filter Presses (Rochelle Berenyi)
Pneumatic Malting (Kerry Adams)
A New Form of Gas Washer (Ian S. Carr)
The Wind Mill (Availle)
The Pneumatic Dynamite Gun (Alan Mapstone)
Rope Pulley Friction Brake (Granville Penn)
Wire Rope Towage (Brize C)
Improved Hay-Rope Machine (jptarus7)
The Anglesea Bridge, Cork (mleigh)
Portable Railways, Part 1 (Brize C)
Portable Railways, Part 2 (Brize C)
Gerard's Alternating Current Machine (Beau Wood)
Automatic Fast Speed Telegraphy (Brize C)
Theory of the Action of the Carbon Microphone--What Is It? (James R. Hedrick)
The Dembinski Microphonic Telephone Transmitter (James R. Hedrick)
New Gas Lighters (JimScheel)
Distribution of Heat Which Is Developed by Forging (Ian S. Carr)
Tin in Canned Foods (gont)
Technical Education in America (BettyB)
The Anaesthetics of Jugglers (Brize C)
The Deposition of Ores, Part 1 (J. M. Smallheer)
The Deposition of Ores, Part 2 (Tatiana Chichilla)
The Deposition of Ores, Part 3 (Tatiana Chichilla)
Habits of Burrowing Crayfishes in the United States (Inkell)
Our Servants, The Microbes (Joe Bergin)
Epitaphium Chymicum (Alan Mapstone)
A New Stove Climber - History of Wheat - Determination of Starch (Larry Wilson)
The audiobook Scientific American Supplement, No. 446, July 19, 1884 falls under the genres of , , . It is written by .