Readymix logo geoglyph Readymix logo geoglyph The Readymix logo geoglyph is a large geoglyph of the Readymix logo carved into the ground of the Nullarbor Plain about north west of Caiguna, Western Australia. At the time of its creation the Readymix logo geoglyph was the largest such signage of its kind, and appeared in the Guinness Book of Records between 1972 and 1991, first as the world's largest advertising sign and, later, as the world's largest letters. The wide, tall logo consists of the words "READYMIX" surrounded by a diamond. Each letter is high by wide, with a line thickness of . Prior
Wikipedia logo Commons Attribution-ShareAlike 3.0 license. On September 29, 2017, the logo of Wikipedia was submerged to the bottom of Armenia’s Lake Sevan thanks to the joint efforts of Wikimedia Armenia and ArmDiving divers’ club. The logo is an unfinished globe made of puzzle pieces with symbols (including Armenian “v” letter) from different sign systems written on them. The 2m wide, 2m high logo (the largest in the world) was made in Armenia for the annual meeting of the Central and Eastern Europe Wikimedia affiliates, Wikimedia CEE Meeting that the country hosted in August 2016 in Dilijan. The (former) logo was registered