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
Nizamabad black clay pottery GI tag in December 2015 which gives the right to name the product to specific geographic region of origin only. The black clay pottery studied by historians due to its resemble with the Northern Black Polished Ware pottery of urban Iron Age culture of Indian Subcontinent. Nizamabad black clay pottery The black clay pottery of Nizamabad in Azamgarh district of Uttar Pradesh, India is unique type of clay pottery known for its dark shiny body with engraved silver patterns. It was registered for Geographical Indication tag in December 2015. The pottery are made with locally available fine textured clay. The