Features
The Two Hundred and Fiftieth Anniversary of New York City
The Abuse of a Noble Sport
Cost of High-Speed Steamship Travel
Alkali Manufacture by Electricity from Natural Salts
Prof. Goodspeed on Secondary Radiation Induced by X-Rays
The Ostergren Fuel Oil Engine
A Method of Making Glass Models of Mines
The Soo Ship Canal System--the Fiftieth Anniversary of its Commencement
An Improved Type of Swage Block
A New Apparatus for Determining the Resistance of Road Vehicles to Traction
Scientific Poultry Raising
The New Springfield Magazine Rifle
Ruhmer's System of Light-Telephony
Business and Personal Wants
Departments
- Departments
Science Notes - June 6, 1903
Legal Notes - June 6, 1903
Reecently Patented Inventions - June 6, 1903
Index of Inventions - June 6, 1903
New Books Etc. - June 6, 1903
Notes and Queries - June 6, 1903
Patents - June 6, 1903