Features
Modern Suspension Bridges
The Fair of the American Institute
The Geological Importance of Our Western Explorations
Carnivorous Plants
Flat Surfaces
Scientific and Practical Information - October 23, 1875
A Solid Flame Bunsen Burner
Lloyd's Floating Apparatus
Novel Engine Counter and Tell-Tale
Making Gas from Petroleum
New Gas Regulator
Cottrell and Babcock's Perfecting Press for Woodcut Printing-Firm's Rotary Attachment
Portable Steam Engines - October 23, 1875
Improved Ventilating Heater
Land Tortoises
The Manatee or Cow Fish
The Shoemaker's Opportunity
Recent American and Foreign Patents - October 23, 1875
Communications Received - October 23, 1875
Canadian Patents - October 23, 1875
Departments
- Letters
Correspondence - October 23, 1875
- Recommended
New Books and Publications - October 23, 1875
- Departments
Notes and Queries - October 23, 1875
Business and Personal - October 23, 1875
Index of Inventions - October 23, 1875
