Features
Shoe Stretcher
Foot Power Band Saw
The Doctors and the Apothecaries
The Eye and the Sun
Photograph Portraits--An Improvement
Steam as a Fire Extinguisher
The Balance Wheel Question
Recent Discoveries in the Pyramids
Artificial Fertilization
Silvering Glass
The Signal Service Bureau
Traction Engines or Road Locomotives
Professor Tyndall's Sixth and Concluding Lecture in New York
A Simple Photometer
Astronomical Notes
Plumbago, Black Lead, Graphite
Combination Grinding Machine
Improved Self Car Coupler
The New St. Thomas' Hospital
English Agricultural Implements
Recent American and Foreign Patents
Answers to Correspondents
Communications Received
Departments
- Departments
Correspondence
New Books and Publications
Notes and Queries
Business and Personal
Index of Inventions
