Scientific American Supplement, No. 288, July 9, 1881


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 Seyfferth's Pyrometer, Organic Matter in Sea-Water, On the Composition of Elephants' Milk, and Economy of the Electric Light.
- Summary by Larry Wilson (5 hr 18 min)

Chapters

Alcohol in Nature--Its Presence in the Earth, Water, and Atmosphere 6:53
Detection of Alcohol in Transparent Soaps 2:25
On the Calorific Power of Fuel, and on Thompson's Calorimeter 25:18
Explosion as an Unknown Fire Hazard 20:40
Carbon.--Symbol C.--Combining Weight 12 13:23
Seyfferth's Pyrometer 7:50
Manufacturers' Soaps and Their Production 11:28
The Preparation of Perfume Pomades 2:44
Organic Matter in Sea-Water / Bacteria Life 6:09
On the Composition of Elephants' Milk 12:45
The Chemical Composition of Rice, Maize, and Barley 7:36
Petroleum Oils / Composition of the Petroleum of the Caucasus 17:36
Notes on Cananga Oil or Ilang-Ilang Oil 13:33
Chian Turpentine 5:58
On the Change of Volume Which Accompanies the Galvanic Deposition of a Metal 7:11
Analyses of Rice Soils from Burmah 5:43
Dry Air Refrigerating Machine 7:07
Thomas's Improved Steam Wheel 4:02
The American Society of Civil Engineers, Address of the President 19:00
Delicate Scientific Instruments 26:49
The Future Development of Electrical Appliances 9:35
Rate of Production of Heat, Calculated in the Shape of Horse-Power 14:53
Researches on the Radiant Matter of Crookes and the Mechanical Theory of Electr… 4:33
Economy of the Electric Light 9:52
On the Space Protected by a Lightning-Conductor 10:27
Photo-Electricity of Fluor-Spar Crystals / The Aurora Borealis and Telegraph Ca… 7:29
The Photographic Image: What It Is 12:47
Gelatine Transparencies for the Lantern 9:34
An Integrating Machine 8:40
Upon a Modification of Wheatstone's Microphone and Its Applicability to Radioph… 6:25