The best modern engines show, by the indicator cards, between 60 and 90 per cent of the theoretical effect of the steam ; in all cases the figures vary in proportion as care is exercised'in ...

The best result was with liquid nitrogen inside ... We’d love to see the same experiment done with a piston-type steam engine, too. Video after the break.

Think about how mind-shattering it would have been to see something like Hero’s Engine, the first known example of a steam turbine. To see a sphere whizzing about trailing plumes of steam while ...

Of late years the attention of inventors has been di-rf S,ed to the application of steam to the suction and forcing of water in fire engines ; and many powerful fire engines worked exclusively by ...

IN this, the third edition, Dr. Ewing has thoroughly revised his well-known text-book, and to some extent he has rewritten certain chapters; for example, the chapter on steam turbines is new, and ...

Heron, the great inventor of Alexandria, described in detail what is thought to be the first working steam engine. He called it an aeolipile, or "wind ball". His design was a sealed caldron of water ...