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  2. Clibanarii - Wikipedia

    en.wikipedia.org/wiki/Clibanarii

    The Clibanarii or Klibanophoroi (Greek: κλιβανοφόροι, meaning "camp oven-bearers" from the Greek word κλίβανος meaning "camp oven" or "metallic furnace" [citation needed]), in Persian Grivpanvar, were a Sasanian Persian, late Roman and Byzantine military unit of armored heavy cavalry.

  3. Early thermal weapons - Wikipedia

    en.wikipedia.org/wiki/Early_thermal_weapons

    The Siege and Destruction of Jerusalem by the Romans Under the Command of Titus, A.D. 70, by David Roberts (1850), shows the city burning. Early thermal weapons, which used heat or burning action to destroy or damage enemy personnel, fortifications or territories, were employed in warfare during the classical and medieval periods (approximately the 8th century BC until the mid-16th century AD).

  4. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    This limit controller may shut the furnace off if the blower fails or if something is blocking the air flow. The heated air is then sent back through the home through supply ducts. In larger commercial applications, central heating is provided through an air handler which incorporates similar components as a furnace but on a larger scale.

  5. Hypocaust - Wikipedia

    en.wikipedia.org/wiki/Hypocaust

    Hypocaust under the floor in a Roman villa in Vieux-la-Romaine, near Caen, France. A hypocaust (Latin: hypocaustum) is a system of central heating in a building that produces and circulates hot air below the floor of a room, and may also warm the walls with a series of pipes through which the hot air passes.

  6. Science and technology of the Han dynasty - Wikipedia

    en.wikipedia.org/wiki/Science_and_technology_of...

    Iron ore smelted in blast furnaces during the Han was rarely if ever cast directly into permanent molds; instead, the pig iron scraps were remelted in the cupola furnace to make cast iron. [20] Cupola furnaces utilized a cold blast traveling through tuyere pipes from the bottom and over the top where the charge of charcoal and pig iron was ...

  7. 'Once-in-a-century' discovery reveals spectacular luxury of ...

    www.aol.com/news/once-century-discovery-reveals...

    After lying hidden beneath metres of volcanic rock and ash for 2,000 years, a "once-in-a-century" find has been unearthed in the ancient Roman city of Pompeii in Italy.

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