Features
Importance of Advertising
The Siamese Twins
The Dover and Calais Tunnel
Is Vitality Vital?
The Philosophy of the Sand Blast
Scientific and Practical Information - February 7, 1874
The Vulcanization of Hydrocarbon Compounds
The Turner Car Brake—Application for an Extension
The New England Association of Inventors and Patent Owners
The One Hundred Thousand Dollar Canal Reward
Professor Coffin
Utilization of Copper Scraps in Electro Plating
New English Thrashing Machines - February 7, 1874
Astronomical Notes - February 7, 1874
Professor Agassiz on the Darwinian Theory-- Interesting Facsimile Letter from the Great Naturalist
Fire and Waterproof Chimney Guard
Patent Barrel Head
Physician's Cane
The Toselli Torpedo
Professor Proctor's Astronomical Lectures
Recent American and Foreign Patents - February 7, 1874
Patent Office Decisions - February 7, 1874
Decisions of the Courts - February 7, 1874
United States Circuit Court—Southern District or New York.Harvester Patent.—C. Aultman vs. H. C. Holley And E. H. Fittz.[In Equity—Before Woodruff, Judge.]
Answers Correspondents - February 7, 1874
Communications Received - February 7, 1874
Canadian Patents - February 7, 1874
List of Patents Granted in Canada, January 13 to January 20. 1873
Departments
- Letters
Correspondence - February 7, 1874
- Recommended
New Books and Publications - February 7, 1874
- Departments
Business and Personal - February 7, 1874
Index of Inventions - February 7, 1874