Features
Glacial Action in South America
The Annual August Shower of Meteors
A Musical Barometer
Postage Stamp Holder
Automatic Fan
Improved Seed Cleaner for Thrashers
The Patent Office Gazette
The British Monitor "Glatton"
Rotary Pressure Blower
Improved Sheet Iron Roofing
Canal Boat Towing by Road Steamers
Cosmical Causes of Changes of Climate
Look out for the Meteors
Because I Am So Lazy
Spontaneous Combustion
The New Manhattan Market
The Amanians
Letter from Professor R. H. Thurston - August 10, 1872
The Black Rock Bridge over the Niagara River
Bright's Disease
Steamship Notes
Scientific and Practical Information - August 10, 1872
Recent American and Foreign Patents - August 10, 1872
New Patent Law in Canada - August 10, 1872
Departments
- From the Editor
Answers to Correspondents
- Letters
Correspondence - August 10, 1872
- Recommended
New Books and Publications - August 10, 1872
- Departments
Business and Personal - August 10, 1872
Notes and Queries - August 10, 1872
Index of Inventions - August 10, 1872
