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Cyclocosmia ricketti has a very distinctive plate or disk on its abdomen which according to some people resembles an ancient coin, a seal, or a grinding disc. [6] Because its plate resembles a coin it is commonly referred to in Chinese media as the "Money Trapdoor Spider". [6]
Disc querns consist of two flat disc-shaped stones, an upper stone with a cylindrical perforation for containing a handle and a lower stone with a central spindle hole. [21] The adjustable, discoid rotary quern has larger, flatter and more discoid stones than the beehive type. The lower stone was completely perforated.
Mo (Chinese: 磨; pinyin: mò; lit. 'mill') [1] [2] were stone implements used for grinding wheat in ancient China. [1] [2] It was a rotary quern millstone powered by a hand-operated crank fixed at the top to grind and pulverize grains, wheat, and rice into flour.
The main artifacts of Peiligang culture are stone grinding discs with feet, stone grinding poles, narrow and flat stone shovels with double curved edges and stone scythes with serrated teeth, which are obviously tools related to agricultural production, and their pottery assemblage includes figurines of pigs' heads. [17]: 20
A more advanced grinding apparatus is the Bertram disc mill. [3] [4] This mill is essentially similar to the previous one, but the movement of the fixed discs was accomplished in it by means of four screws driven through a worm gear. [5] [6] Grinding knives were made of bronze or acid-resistant steel. The inside of the mill was lined with ...
Jose Melo, 52, is facing a murder charge after Naket Jadix Trinidad Maldonado, 31, was found dead on Monday, Dec. 30, 2024