The German term Donnerbüchse means "thunderbox" and is the nickname for the four-wheeled, open, passenger coaches, built from 1921 onwards, that served with the Deutsche Reichsbahn. In contrast to the
A Thunderbox on a South German Railway Museum special service at Crailsheim, December 2007
A 1921 Di-21, rebuilt to a Cid-21 in 1928.
A passenger railroad car or passenger car, also called a passenger carriage, passenger coach, or passenger bogie is a railroad car that is designed to carry passengers, usually giving them space to si
Superliner double-deck auto-train lounge car operated by Amtrak
Trenitalia passenger car UIC-Z1
Restored clerestory cars on display at the Mid-Continent Railway Museum in North Freedom, Wisconsin
The observation car from the CB&Q's Pioneer Zephyr. The carbody was made of stainless steel in 1934; it is seen here at Chicago's Museum of Science and Industry in 2003.