Bolt and Knutt Engineering Co.

Bolt & Knutt Engineering Co. is a business situated next to Light Engineering Co. This has so far only appered in the Railway Series.

Appearances
Railway Series=

The Railway Series

 * Duck and the Diesel Engine - Pop Goes the Diesel
 * -|Television Series=

Videos

 * Mr. Perkins Storytime - Pop Goes the Diesel

Trivia

 * The name is a play on the phrase 'nuts and bolts'.