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Athanor. In alchemy, an athanor (Arabic: التنور, at-tannūr) is a furnace used to provide a uniform and constant heat for alchemical digestion.Etymologically, it descends from a number of Arabic texts of the period of the Caliphate which use the term "al-tannoor" in talismanic alchemy, meaning a bread-oven, from which the design portrayed evidently descends.
Ancient heating systems, including hearths, furnaces, and stoves, operated primarily through convection.Fixed central hearths, which were first excavated and retrieved in Greece, date back to 2500 BC, whereas crude fireplaces were used as early as the 800s AD and in the 13th century, when castles in Europe were built with fireplaces with a crude form of chimney.
Upright non-flued liquefied petroleum gas heater, 1970s A wall mounted gas heater that runs on either propane or natural gas.. A gas heater is a space heater used to heat a room or outdoor area by burning natural gas, liquefied petroleum gas, propane, or butane.
Indexes ended lower on Thursday as traders focused on the coming jobs report. The data is expected to show the US economy added 214,000 new hires, a steep uptick from October's reading.
"1923" will have its network premiere on Dec. 8 at 9 p.m. ET/PT and 8 p.m. CT on the Paramount Network.. The show will debut right after a new episode of "Yellowstone" Season 5, which airs at 8 p ...
Jens Peder Bergensten (born 18 May 1979), known professionally as Jeb, is a Swedish video game programmer and designer.He is best known as the lead designer of Minecraft, [1] [2] [3] and is the chief creative officer of Mojang Studios.
Here are some of the most common plants that are toxic to dogs, according to Dr Wismer: Sago Palm This handsome prehistoric-looking palm is the most dangerous houseplant on the list for dogs ...
While the INCO flash furnace at Sudbury was the first commercial use of oxygen flash smelting, [6] fewer smelters use the INCO flash furnace than the Outokumpu flash furnace. [4] Flash smelting with oxygen-enriched air (the 'reaction gas') makes use of the energy contained in the concentrate to supply most of the energy required by the furnaces.