Ptolemy or optical factors and those caused by judgmental factors. He offered an obscure explanation of the sun or moon illusion (the enlarged apparent size on the horizon) based on the difficulty of looking upwards. There are several characters or items named after Ptolemy, including: [[File:Ptolemaeus - Quadripartitum, 1622 - 4658973.tif|thumb|"Quadripartitum", 1622]] [[Category:Ptolemy| ]] [[Category:100 births]] [[Category:170 deaths]] [[Category:1st-century Romans]] [[Category:2nd-century Romans]] [[Category:2nd-century philosophers]] [[Category:2nd-century poets]] [[Category:Egyptian calendar]] [[Category:Ancient Greek astrologers]] [[Category:Ancient Greek astronomers]] [[Category:Ancient Greek mathematicians]] [[Category:Ancient Greek music theorists]] [[Category:Astrological writers]] [[Category:Claudii]] [[Category:Egyptian astronomers]] [[Category:Egyptian mathematicians]] [[Category:Epigrammatists of the Greek Anthology]] [[Category:2nd-century people of Roman Egypt]] [[Category:Ancient Greek geographers]]
Egyptian Hall The final performance was on 5 January 1905. In 1905 the building was demolished to make room for blocks of flats and offices at 170–173 Piccadilly. Muirhead Bone captured its demise in his work "The Dissolution of Egyptian Hall". The Maskelynes relocated to the St. George's Hall in Langham Place, which became known as Maskelyne's Theatre. Egyptian Hall The Egyptian Hall in Piccadilly, London, was an exhibition hall built in the ancient Egyptian style in 1812, to the designs of Peter Frederick Robinson. The Hall was a considerable success, with exhibitions of artwork and of Napoleonic era relics. The hall