Edgar Wallace,
The Clue of the Twisted Candle…
(1916)
“ As they spun down to the valley of the Dart, Mansus touched his arm."Look at that," he said, and pointed to the blue heavens where, a mile above their heads, a white-winged aeroplane, looking no larger than a very distant dragon fly, shimmered in the sunlight."By Jove!" said T. X. "What an excellent way for a man to escape!""It's about the only way," said Mansus.The significance of the aeroplane was borne in upon T. X. a few minutes later when he was held up by an armed guard. ”
