Volume 29, Issue 7
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Features
Lightning Rods
Triumph of American Harvesters in Austria--The English Exhibitors Back Out of the Competition
Towing Sailing Vessels
Recent Meteoric Investigations
Lead Poisoning and its Treatment
Paper Feeding Machine
Improved Fishing Rod
"The People's" Steam Washer
Progress of Steam Cultivation
Air Pump for Raising Sewage
The Great Exposition--Letter from United States Commissioner Professor R. H. Thurston
Odorless Water Closet Attachment
Improved Churn
Japanese Birds
Scientific and Practical Information- August 16, 1873
Decisions of the Courts- August 16, 1873
United States Circuit Court--Southern District of New York