Mausoleum at Halicarnassus Mausoleum at Halicarnassus The Mausoleum at Halicarnassus or Tomb of Mausolus (; ) was a tomb built between 353 and 350 BC at Halicarnassus (present Bodrum, Turkey) for Mausolus, a satrap in the Persian Empire, and his sister-wife Artemisia II of Caria. The structure was designed by the Greek architects Satyros and Pythius of Priene. Its elevated tomb structure is derived from the tombs of neighbouring Lycia, such as the Nereid Monument. The Mausoleum was approximately in height, and the four sides were adorned with sculptural reliefs, each created by one of four Greek sculptors—Leochares, Bryaxis, Scopas of Paros and
Ruler (2400 BCE) have yielded one such ruler calibrated to about . Ian Whitelaw holds that the Mohenjo-Daro ruler is divided into units corresponding to and these are marked out in decimal subdivisions with amazing accuracy, to within . Ancient bricks found throughout the region have dimensions that correspond to these units. Anton Ullrich invented the folding ruler in 1851. Frank Hunt later made the flexible ruler in 1902. The equivalent of a ruler for drawing or reproducing a smooth curve, where it takes the form of a rigid template, is known as a French curve. A flexible device which can