Features
"A Possible Revolution in Medicine"
Dogs that Learn Trades
An Improved Churn
Simple Experiments in Physics
An Improved Extension Ladder
An Improved Steam Steering-Gear
The Garabit Viaduct
Offset Mechanism for Sawmill Carriages
A Simple Device for Threading Needles
Test of the Cast Steel Breech Loading Rifle
Gigantic Fossil Mammals
To Inventors- December 29, 1888
Departments
- Recommended
New Books and Publications- December 29, 1888
- Departments
Recently Patented Inventions- December 29, 1888
Business and Personal- December 29, 1888
Notes and Queries- December 29, 1888
Index of Inventions- December 29, 1888
