Features
The Practical Aspect of the Eight Hour Law
Measurement of the Initial Velocity of Projectiles
Publishers' Card
An Easy Telegraph Code
Jonah and the Belgian Academy
Death of Professor Agassiz
Hints for Cheap Floral Decoration
The Weeping Sophora of Japan
The Automatic Taper Lamp
Friction Geared Centrifugal Pump
Recent Geographical Notes - December 27, 1873
Careless Plumbing
An Automaton Transit of Venus
The Atmospheric Railway in London
Scientific and Practical Information - December 27, 1873
Combined Extension Measuring Rod and Divider
Toy Gymnast
Moistening Device for Lame Animals
The Crystal Self-Acting Table Fountain
Chinese Fresh Water Fish
Recent American and Foreign Patents - December 27, 1873
Answers to Correspondents - December 27, 1873
Communications Received - December 27, 1873
Canadian Patents - December 27, 1873
Departments
- Letters
Correspondence - December 27, 1873
- Departments
Business and Personal - December 27, 1873
Index of Inventions - December 27, 1873
