Features
Railway Engineering in London
Miscellaneous Summary
The Origin and Composition of Peat
American Institute--Polytechnic Branch
Rehorn's Patent Sadiron
Myer's Drawer Knob
The Great Iron Belt
Ventilation of the National Capitol
Important to Advertisers
A Very Eminent Officer of the United States Navy on Iron-Clads
Patent Claims
Wolfenden's Universal Box for Turning Lathes
Departments
- Departments
Correspondence
Notes and Queries
New Inventions
