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A fire pit. The defining feature of fire pits is that they are designed to contain fire and prevent it from spreading. A fire pit can vary from a pit dug in the ground (fire hole) to an elaborate gas burning structure of stone, brick, and metal. Certain contemporary fire pit styles include fire bowls that can either be set in the ground or ...
At its most basic, an earth oven is a pit in the ground used to trap heat and bake, smoke, or steam food. Earth ovens have been used in many places and cultures in the past, and the presence of such cooking pits is a key sign of human settlement often sought by archaeologists. Earth ovens remain a common tool for cooking large quantities of ...
Lime pit in Judaea. A limepit is either a place where limestone is quarried, or a man-made pit used to burn lime stones in the same way that modern-day kilns and furnaces constructed of brick are now used above ground for the calcination of limestone (calcium carbonate, CaCO 3) and by which quicklime (calcium oxide, CaO) is produced, an essential component in waterproofing and in wall ...
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Far from the Lemurs, the Monkeys, and the Anthropoid Apes being landmarks upon the line of human progress, it was contended that the human stock arose from a Tarsioid form, that the Lemurs were not ancestors of the Tarsioids and that the Monkeys and Apes were more specialised away from the Tarsioids than was Man himself, and, therefore, were ...
Image credits: Detroit Photograph Company "There was a two-color process invented around 1913 by Kodak that used two glass plates in contact with each other, one being red-orange and the other ...