double power, at once and at the same time, of steam and of sail, I am a double power

double power, at once and at the same time, of steam and of sail, I am a double power, at once and at the same time, of steam and of sail, and I can be employed either as a steam or as a sailing ship, at the pleasure of my owners. I have been built at a low rate of pressure, and I can be worked up to 60, but I have never been driven above forty. I have been employed in trade, and I have been employed in pleasure, but I have never been employed in fighting. I have been employed in double power, and I have been employed in single power, but I have never been employed in double power and single power at the same time. I have been employed in trade, and I have been employed in