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A Franklin stove. The Franklin stove is a metal-lined fireplace named after Benjamin Franklin, who invented it in 1742. [ 1] It had a hollow baffle near the rear (to transfer more heat from the fire to a room's air) and relied on an "inverted siphon" to draw the fire's hot fumes around the baffle. [ 2]
Vitreous enamel. Vitreous enamel, also called porcelain enamel, is a material made by fusing powdered glass to a substrate by firing, usually between 750 and 850 °C (1,380 and 1,560 °F). The powder melts, flows, and then hardens to a smooth, durable vitreous coating. The word vitreous comes from the Latin vitreus, meaning "glassy".
Van Gogh did not begin painting until his late twenties, and most of his best-known works were produced during his final two years. He produced more than 2,000 artworks, consisting of around 900 paintings and 1,100 drawings and sketches. In 2013, Sunset at Montmajour became the first full-sized Van Gogh painting to be newly confirmed since 1928 ...
The aviator Matilde Moisant wearing a swastika square medallion in 1912. The symbol was popular as a good luck charm with early aviators. The discovery of the Indo-European language group in the 1790s led to a great effort by European archaeologists to link the pre-history of European people to the hypothesised ancient "Aryans" (variously referring to the Indo-Iranians or the Proto-Indo ...
Masking with a well-fitting high-quality mask is highly effective at preventing someone from contracting respiratory illnesses. While most kids have stopped masking at school, families with ...
Glass-ceramic. Glass-ceramics are polycrystalline materials produced through controlled crystallization of base glass, producing a fine uniform dispersion of crystals throughout the bulk material. Crystallization is accomplished by subjecting suitable glasses to a carefully regulated heat treatment schedule, resulting in the nucleation and ...
Rumford fireplace. The Rumford fireplace is a tall, shallow fireplace designed by Sir Benjamin Thompson, Count Rumford, an Anglo-American physicist best known for his investigations of heat. Its shallow, angled sides are designed to reflect heat into the room, and its streamlined throat minimizes turbulence, thereby carrying away smoke with ...
Here are 10 crucial questions to ask both yourself and others when buying a house. 1. What’s my total budget? Don’t waste your time looking at houses without first understanding how much house ...