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Polygonal masonry is a technique of stone wall construction. True polygonal masonry is a technique wherein the visible surfaces of the stones are dressed with straight sides or joints, giving the block the appearance of a polygon.
The Roman Polyspaston crane, from Ancient Greek πολύσπαστον (polúspaston, “compound pulley”), when worked by four men at both sides of the winch, could lift 3000 kg. In case the winch was replaced by a treadwheel, the maximum load even doubled to 6000 kg at only half the crew, since the treadwheel possesses a much bigger ...
The Great Pyramid of Giza [a] is the largest Egyptian pyramid.It served as the tomb of pharaoh Khufu, who ruled during the Fourth Dynasty of the Old Kingdom.Built c. 2600 BC, [3] over a period of about 26 years, [4] the pyramid is the oldest of the Seven Wonders of the Ancient World, and the only wonder that has remained largely intact.
It was called Godavari Dam Construction Railway. It was also built by Arthur Cotton. It was used to supply stones for construction of a dam over Godavari. [105] On 8 May 1845, Madras Railway was incorporated. In the same year, the East India Railway company was incorporated. On 1 August 1849, Great Indian Peninsular Railway (GIPR) was incorporated.
Caracol is a large ancient Maya archaeological site, located in what is now the Cayo District of Belize.It is situated approximately 40 kilometres (25 mi) south of Xunantunich, and the town of San Ignacio, and 15 km (9.3 mi) from the Macal River.
The Parthenon (/ ˈ p ɑːr θ ə ˌ n ɒ n,-n ən /; Ancient Greek: Παρθενών, romanized: Parthenōn [par.tʰe.nɔ̌ːn]; Greek: Παρθενώνας, romanized: Parthenónas [parθeˈnonas]) is a former temple [6] [7] on the Athenian Acropolis, Greece, that was dedicated to the goddess Athena.
Due to a scarcity of books, mathematical teachings in ancient India were communicated using memorized oral tradition since the Vedic period (c. 1500 – c. 500 BCE). [185] In Imperial China during the Tang dynasty (618–907 CE), a mathematics curriculum was adopted for the civil service exam to join the state bureaucracy.
Poseidon (/ p ə ˈ s aɪ d ən, p ɒ-, p oʊ-/; [1] Ancient Greek: Ποσειδῶν) is one of the Twelve Olympians in ancient Greek religion and mythology, presiding over the sea, storms, earthquakes and horses. [2] He was the protector of seafarers and the guardian of many Hellenic cities and colonies.