Features
Official Report on the Steamer Anthracite
The Tendency of Recent Court Decisions with Regard to Reissued Patents
Hydraulic Mortars and Cements
Thermometers
Solar Clouds and Sun Spots
General Grant as President of the World's Fair Commission
New Mechanical Movement
Improved Wood Screw
Improved Cattle Feeder
Simple Magic Lantern
New Milking Stool
Dynamo-Telegraphy
Improved Hand Press
Improved Oil-Stove Wick Trimmer
Spring-Making Tool
Human Trees of India
The Common Hornbill
A Curious Grave
Miscellaneous Inventions - January 29, 1881
Departments
- Departments
Recent Inventions - January 29, 1881
Correspondence - January 29, 1881
New Inventions
Notes and Queries - January 29, 1881
Business and Personal - January 29, 1881
Index of Inventions - January 29, 1881
New Books and Publications - January 29, 1881