THE MONOPLANEThe Flying Stages of London were collected together in an irregular crescent on the southern side of the river. They formed three groups of two each and retained the names of ancient suburban hills or villages. They were named in order, Roehampton, Wimbledon Park, Streatham, Norwood, Blackheath, and Shooter’s Hill. They were uniform structures rising high above the general roof surfaces. Each was about four thousand yards long and a thousand broad, and constructed of the compound of aluminum and iron that had replaced iron in architecture. Their higher tiers formed an openwork of girders through which lifts and staircases ascended. The upper surface was a uniform expanse, with portions—the starting carriers—that could be raised and were then able to run on very slightly inclin
