Piccadilly run by his family until 1835. Hatchards, now the oldest surviving bookshop in Britain, was started by John Hatchard at No. 173 in 1797; it moved to the current location at No. 189-90 (now No. 187) in 1801. Aldine Press moved to Piccadilly from Chancery Lane in 1842, and remained there until 1894. The Egyptian Hall at No. 170, designed in 1812 by P. F. Robinson for W. Bullock of Liverpool, was modelled on Ancient Egyptian architecture, particularly the Great Temple of Dendera (Tentyra). One author described it as "one of the strangest places Piccadilly ever knew". It was a
Great Northern, Piccadilly and Brompton Railway Piccadilly platforms was created. In November 1912, a bill was publicised under the LER name that included a plan to extend the Piccadilly tube tracks westwards from Hammersmith to connect to the L&SWR's Richmond branch tracks. The District line already ran trains over this route, and the Piccadilly tube service would provide additional connections. The bill received assent as the "London Electric Railway Act, 1913" on 15 August 1913. The advent of World War I prevented work on the extension starting. Post-war, a shortage of funds and other priorities meant that the extension was postponed until the early 1930s. Despite