Features
A Semi-Rotary Engine
Bad Ventilation at the Capitol
African Rubber
The Centennial Exposition as an Element in the Development of Our Manufacturing Interests
A Copper-Bearing Bird
The Pay of the Patent Bureau
The Power of Boilers
The Cost of Moths and Mildew
The Manufacture of Anthracene
A Portable Hydraulic Riveting Machine
A New Garden Pump
Self-Closing Closet Lid and Anti-Nuisance Closet
The Cattle of Thelemark, Norway
Artificial Ice
Practical Mechanism - April 8, 1876
Progress of the Centennial Exhibition
Riggs' Method of Mending Cracked Bells
Improved Wall Paper Trimmer
Weston's Lightning Rod Discharging Point
New Automatic Grease Cup
Animal Ferocity
Astronomical Notes - April 8, 1876
Fire Apparatus Fog Alarms and Cork Machinery
Decisions of the Courts - April 8, 1876
New Chemical and Miscellaneous Inventions - April 8, 1876
Recent American and Foreign Patents - April 8, 1876
New Household Articles - April 8, 1876
New Woodworking and House and Carriage Building Inventions - April 8, 1876
New Agricultural Inventions - April 8, 1876
Communications Received - April 8, 1876
Departments
- Letters
Correspondence - April 8, 1876
- Departments
Business and Personal - April 8, 1876
Notes and Queries - April 8, 1876
Index of Inventions - April 8, 1876