901 West Pratt St., Baltimore, MD 21223
Phone:410-752-2490
Quick Links

Current Lesson | User's Guide | About this Lesson | How to Use this Lesson Plan | Table of Contents

Vocabulary

 

 
 
Common Carrier
One who holds himself out to the general public to transport property and passengers, intrastate, interstate or in foreign commerce, for compensation.
 
Flange
The vertical projection along the inner rim of a wheel that serves, in conjunction with the flange of the mating wheel, to keep the wheel set on the track, and provides the lateral guidance system for the mounted pair.
 
Freight
Goods being moved from one place to another by transportation lines.
 
Grade
The ratio of the vertical change in elevation of a line with its length. For example, a 3 percent grade is a rise of 3 feet in a distance of 100 feet.

 

© 11/12/2020 Baltimore & Ohio Railroad Museum™. All Rights Reserved.