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

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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 (4 hr 21 min)


Improved Filter Presses 5:51 Read by Rochelle Berenyi
Pneumatic Malting 2:55 Read by Kerry Adams
A New Form of Gas Washer 7:52 Read by Ian S. Carr
The Wind Mill 24:34 Read by Availle
The Pneumatic Dynamite Gun 3:54 Read by Alan Mapstone
Rope Pulley Friction Brake 2:33 Read by Granville Penn
Wire Rope Towage 13:21 Read by Brize C
Improved Hay-Rope Machine 2:41 Read by jptarus7
The Anglesea Bridge, Cork 7:04 Read by mleigh
Portable Railways, Part 1 19:08 Read by Brize C
Portable Railways, Part 2 15:08 Read by Brize C
Gerard's Alternating Current Machine 3:27 Read by Beau Wood
Automatic Fast Speed Telegraphy 15:06 Read by Brize C
Theory of the Action of the Carbon Microphone--What Is It? 9:40 Read by James R. Hedrick
The Dembinski Microphonic Telephone Transmitter 3:07 Read by James R. Hedrick
New Gas Lighters 5:36 Read by JimScheel
Distribution of Heat Which Is Developed by Forging 3:25 Read by Ian S. Carr
Tin in Canned Foods 11:26 Read by gont
Technical Education in America 22:52 Read by BettyB
The Anaesthetics of Jugglers 16:14 Read by Brize C
The Deposition of Ores, Part 1 10:57 Read by J. M. Smallheer
The Deposition of Ores, Part 2 12:27 Read by Tatiana Chichilla
The Deposition of Ores, Part 3 11:18 Read by Tatiana Chichilla
Habits of Burrowing Crayfishes in the United States 9:24 Read by Inkell
Our Servants, The Microbes 13:25 Read by Joe Bergin
Epitaphium Chymicum 3:40 Read by Alan Mapstone
A New Stove Climber - History of Wheat - Determination of Starch 4:48 Read by Larry Wilson