... steel helmets for infantry such as were worn in the sixteenth century ; catapults such as Caesar's legion¬ aries employed; liquid fire similar to the Greek fire that was the terror of the days of Richard Coaur de Lion and the Crusaders. But a boarding incident ...

... Then spurt up volcanic flashes of parti-coloured light, while rockets scatter red flares, green flares, blue flares, and liquid-fire discharges show spouting torrents. ...