Mr Tench went out to look for his ether cylinder, into the blazing Mexican sun and the bleaching dust. A few vultures looked down from the roof with shabby indifference: he wasn’t carrion yet. A faint feeling of rebellion stirred in Mr Tench’s heart, and he wrenched up a piece of the road with splintering finger-nails and tossed it feebly towards them. One rose and flapped across the town: …