Masonry oven India, tandoors are traditional clay ovens, although these days modern electrically fired tandoors are available. The open-topped tandoor is a transitional design between the earth oven and the Roman-plan masonry oven. In the precolumbian Americas, similar ovens were often made of clay or adobe and are now referred to by the Spanish term "horno" (meaning "oven"). Horns are also traditional in the American Southwest. The traditional direct-fired masonry design is often called a "Roman" or "black" oven and dates in Western culture to at least the Roman Republic. It is known as a black oven because the fire generates soot
All Gas and Gaiters BBC in this era. Two of the colour episodes from series 5 are preserved as black and white 16mm film recordings only (three earlier episodes were always black and white). Only six colour episodes are preserved in their original colour videotape format. "Christmas Night with the Stars" was a programme screened annually on Christmas night, when the top stars of the BBC appeared in short versions of their programmes, typically five to ten minutes long. "All Gas and Gaiters" appeared once alongside its sitcom spin-off "Oh, Brother!" in 1968. This telerecording no longer exists in the BBC's film and videotape