Features
On the Minute Measurements of Modern Science
Sebert's Projectile Velocimeter
A New Theory of Terrestrial Magnetism
Use of Compressed Air Motors for Street Cars
What Grades can the Pneumatic Motor overcome and what Load can it Carry?
Colladon's System of Compressed Air Brakes
French System of Car Heating by Portable Hot-Water Heaters
New Twin Cylinder Steam Engine
Sharpie Model
The Inoxidation of Iron, and the Coating of Metals and other Surfaces with Platinum, by the Processes of Mons. Dode
Slate Quarries of Monson, Maine
Boston Journal of Commerce